info.varnish-software.com Open in urlscan Pro
2606:2c40::c73c:67fe  Public Scan

Submitted URL: https://book.varnish-software.com/4.0/chapters/Cache_Invalidation.html
Effective URL: https://info.varnish-software.com/resources/varnish-6-by-example-book
Submission: On December 27 via manual from US — Scanned from DE

Form analysis 2 forms found in the DOM

POST https://forms.hsforms.com/submissions/v3/public/submit/formsnext/multipart/209523/fe899415-c49e-4dad-8696-e498783f8716

<form id="hsForm_fe899415-c49e-4dad-8696-e498783f8716_8764" method="POST" accept-charset="UTF-8" enctype="multipart/form-data" novalidate=""
  action="https://forms.hsforms.com/submissions/v3/public/submit/formsnext/multipart/209523/fe899415-c49e-4dad-8696-e498783f8716"
  class="hs-form-private hsForm_fe899415-c49e-4dad-8696-e498783f8716 hs-form-fe899415-c49e-4dad-8696-e498783f8716 hs-form-fe899415-c49e-4dad-8696-e498783f8716_c2fc1a36-e1a6-4ec1-9b74-3cad46ef7e79 hs-form stacked hs-custom-form"
  target="target_iframe_fe899415-c49e-4dad-8696-e498783f8716_8764" data-instance-id="c2fc1a36-e1a6-4ec1-9b74-3cad46ef7e79" data-form-id="fe899415-c49e-4dad-8696-e498783f8716" data-portal-id="209523">
  <fieldset class="form-columns-2">
    <div class="hs_firstname hs-firstname hs-fieldtype-text field hs-form-field"><label id="label-firstname-fe899415-c49e-4dad-8696-e498783f8716_8764" class="" placeholder="Enter your First Name"
        for="firstname-fe899415-c49e-4dad-8696-e498783f8716_8764"><span>First Name</span><span class="hs-form-required">*</span></label>
      <legend class="hs-field-desc" style="display: none;"></legend>
      <div class="input"><input id="firstname-fe899415-c49e-4dad-8696-e498783f8716_8764" name="firstname" required="" placeholder="First Name" type="text" class="hs-input" inputmode="text" autocomplete="given-name" value=""></div>
    </div>
    <div class="hs_lastname hs-lastname hs-fieldtype-text field hs-form-field"><label id="label-lastname-fe899415-c49e-4dad-8696-e498783f8716_8764" class="" placeholder="Enter your Last Name"
        for="lastname-fe899415-c49e-4dad-8696-e498783f8716_8764"><span>Last Name</span><span class="hs-form-required">*</span></label>
      <legend class="hs-field-desc" style="display: none;"></legend>
      <div class="input"><input id="lastname-fe899415-c49e-4dad-8696-e498783f8716_8764" name="lastname" required="" placeholder="Last Name" type="text" class="hs-input" inputmode="text" autocomplete="family-name" value=""></div>
    </div>
  </fieldset>
  <fieldset class="form-columns-2">
    <div class="hs_email hs-email hs-fieldtype-text field hs-form-field"><label id="label-email-fe899415-c49e-4dad-8696-e498783f8716_8764" class="" placeholder="Enter your Email"
        for="email-fe899415-c49e-4dad-8696-e498783f8716_8764"><span>Email</span><span class="hs-form-required">*</span></label>
      <legend class="hs-field-desc" style="display: none;"></legend>
      <div class="input"><input id="email-fe899415-c49e-4dad-8696-e498783f8716_8764" name="email" required="" placeholder="Please provide a business email address" type="email" class="hs-input" inputmode="email" autocomplete="email" value=""></div>
    </div>
    <div class="hs_persona_job_title hs-persona_job_title hs-fieldtype-select field hs-form-field"><label id="label-persona_job_title-fe899415-c49e-4dad-8696-e498783f8716_8764" class="" placeholder="Enter your Job type"
        for="persona_job_title-fe899415-c49e-4dad-8696-e498783f8716_8764"><span>Job type</span><span class="hs-form-required">*</span></label>
      <legend class="hs-field-desc" style="display: none;"></legend>
      <div class="input"><select id="persona_job_title-fe899415-c49e-4dad-8696-e498783f8716_8764" required="" class="hs-input is-placeholder" name="persona_job_title">
          <option disabled="" value="">- Please Select -</option>
          <option value="Developer/ Devops/ Sysadmin or similar">Developer/ Devops/ Sysadmin or similar</option>
          <option value="IT Manager/Director/IT Project Lead/Manager or similar">IT Manager/Director/IT Project Lead/Manager or similar</option>
          <option value="CTO/VP of Technology or similar">CTO/VP of Technology or similar</option>
          <option value="CXO/ EVP/ SVP/ VP/ Director">CXO/ EVP/ SVP/ VP/ Director</option>
          <option value="Web/Software Architect or similar">Web/Software Architect or similar</option>
          <option value="Student/ Freelancer/ Intern">Student/ Freelancer/ Intern</option>
          <option value="Analyst">Analyst</option>
          <option value="Other">Other</option>
        </select></div>
    </div>
  </fieldset>
  <fieldset class="form-columns-2">
    <div class="hs_company hs-company hs-fieldtype-text field hs-form-field"><label id="label-company-fe899415-c49e-4dad-8696-e498783f8716_8764" class="" placeholder="Enter your Company Name"
        for="company-fe899415-c49e-4dad-8696-e498783f8716_8764"><span>Company Name</span><span class="hs-form-required">*</span></label>
      <legend class="hs-field-desc" style="display: none;"></legend>
      <div class="input"><input id="company-fe899415-c49e-4dad-8696-e498783f8716_8764" name="company" required="" placeholder="Your place of employment" type="text" class="hs-input" inputmode="text" autocomplete="organization" value=""></div>
    </div>
    <div class="hs_business_sector hs-business_sector hs-fieldtype-select field hs-form-field"><label id="label-business_sector-fe899415-c49e-4dad-8696-e498783f8716_8764" class="" placeholder="Enter your Business sector"
        for="business_sector-fe899415-c49e-4dad-8696-e498783f8716_8764"><span>Business sector</span><span class="hs-form-required">*</span></label>
      <legend class="hs-field-desc" style="display: none;"></legend>
      <div class="input"><select id="business_sector-fe899415-c49e-4dad-8696-e498783f8716_8764" required="" class="hs-input is-placeholder" name="business_sector">
          <option disabled="" value="">- Please Select -</option>
          <option value="Broadcast / Streaming">Broadcast / Streaming</option>
          <option value="Retail / E-Commerce">Retail / E-Commerce</option>
          <option value="Education">Education</option>
          <option value="Banking / Finance / Insurance">Banking / Finance / Insurance</option>
          <option value="Gaming">Gaming</option>
          <option value="Systems Integrator">Systems Integrator</option>
          <option value="News Services / Media / Publishing">News Services / Media / Publishing</option>
          <option value="Public sector">Public sector</option>
          <option value="Transport, Travel &amp; Hospitality">Transport, Travel &amp; Hospitality</option>
          <option value="Telecommunications">Telecommunications</option>
          <option value="Gambling">Gambling</option>
          <option value="Manufacturing">Manufacturing</option>
          <option value="Healthcare / Pharmaceuticals">Healthcare / Pharmaceuticals</option>
          <option value="Sports">Sports</option>
          <option value="Other">Other</option>
        </select></div>
    </div>
  </fieldset>
  <fieldset class="form-columns-1">
    <div class="hs_country hs-country hs-fieldtype-select field hs-form-field"><label id="label-country-fe899415-c49e-4dad-8696-e498783f8716_8764" class="" placeholder="Enter your Country"
        for="country-fe899415-c49e-4dad-8696-e498783f8716_8764"><span>Country</span><span class="hs-form-required">*</span></label>
      <legend class="hs-field-desc" style="display: none;"></legend>
      <div class="input"><select id="country-fe899415-c49e-4dad-8696-e498783f8716_8764" required="" class="hs-input is-placeholder" name="country">
          <option disabled="" value="">- Please Select -</option>
          <option value="Afghanistan">Afghanistan</option>
          <option value="Aland Islands">Aland Islands</option>
          <option value="Albania">Albania</option>
          <option value="Algeria">Algeria</option>
          <option value="American Samoa">American Samoa</option>
          <option value="Andorra">Andorra</option>
          <option value="Angola">Angola</option>
          <option value="Antigua and Barbuda">Antigua and Barbuda</option>
          <option value="Argentina">Argentina</option>
          <option value="Armenia">Armenia</option>
          <option value="Aruba">Aruba</option>
          <option value="Australia">Australia</option>
          <option value="Austria">Austria</option>
          <option value="Azerbaijan">Azerbaijan</option>
          <option value="Bahamas">Bahamas</option>
          <option value="Bahrain">Bahrain</option>
          <option value="Bangladesh">Bangladesh</option>
          <option value="Barbados">Barbados</option>
          <option value="Belarus">Belarus</option>
          <option value="Belgium">Belgium</option>
          <option value="Belize">Belize</option>
          <option value="Benin">Benin</option>
          <option value="Bermuda">Bermuda</option>
          <option value="Bhutan">Bhutan</option>
          <option value="Bolivia">Bolivia</option>
          <option value="Bosnia and Herzegovina">Bosnia and Herzegovina</option>
          <option value="Botswana">Botswana</option>
          <option value="Brazil">Brazil</option>
          <option value="Brunei">Brunei</option>
          <option value="Bulgaria">Bulgaria</option>
          <option value="Burkina">Burkina Faso</option>
          <option value="Burundi">Burundi</option>
          <option value="Cambodia">Cambodia</option>
          <option value="Cameroon">Cameroon</option>
          <option value="Canada">Canada</option>
          <option value="Cape Verde">Cape Verde</option>
          <option value="Central African Rep">Central African Republic</option>
          <option value="Chad">Chad</option>
          <option value="Chile">Chile</option>
          <option value="China">China</option>
          <option value="Colombia">Colombia</option>
          <option value="Comoros">Comoros</option>
          <option value="Congo">Congo</option>
          <option value="Congo {Democratic Rep}">Congo, the Democratic Republic of the</option>
          <option value="Costa Rica">Costa Rica</option>
          <option value="Cote d Ivoire">Cote d Ivoire</option>
          <option value="Croatia">Croatia</option>
          <option value="Cuba">Cuba</option>
          <option value="Cyprus">Cyprus</option>
          <option value="Czech Republic">Czech Republic</option>
          <option value="Denmark">Denmark</option>
          <option value="Djibouti">Djibouti</option>
          <option value="Dominica">Dominica</option>
          <option value="Dominican Republic">Dominican Republic</option>
          <option value="East Timor">East Timor</option>
          <option value="Ecuador">Ecuador</option>
          <option value="Egypt">Egypt</option>
          <option value="El Salvador">El Salvador</option>
          <option value="Equatorial Guinea">Equatorial Guinea</option>
          <option value="Eritrea">Eritrea</option>
          <option value="Estonia">Estonia</option>
          <option value="Ethiopia">Ethiopia</option>
          <option value="Faroe Island">Faroe Islands</option>
          <option value="Fiji">Fiji</option>
          <option value="Finland">Finland</option>
          <option value="France">France</option>
          <option value="Gabon">Gabon</option>
          <option value="Gambia">Gambia</option>
          <option value="Georgia">Georgia</option>
          <option value="Germany">Germany</option>
          <option value="Ghana">Ghana</option>
          <option value="Gibraltar">Gibraltar</option>
          <option value="Greece">Greece</option>
          <option value="Grenada">Grenada</option>
          <option value="Guam">Guam</option>
          <option value="Guatemala">Guatemala</option>
          <option value="Guinea">Guinea</option>
          <option value="Guinea-Bissau">Guinea-Bissau</option>
          <option value="Guyana">Guyana</option>
          <option value="Haiti">Haiti</option>
          <option value="Honduras">Honduras</option>
          <option value="Hong Kong">Hong Kong</option>
          <option value="Hungary">Hungary</option>
          <option value="Iceland">Iceland</option>
          <option value="India">India</option>
          <option value="Indonesia">Indonesia</option>
          <option value="Iran, Islamic Republic of">Iran, Islamic Republic of</option>
          <option value="Iraq">Iraq</option>
          <option value="Ireland">Ireland</option>
          <option value="Israel">Israel</option>
          <option value="Italy">Italy</option>
          <option value="Jamaica">Jamaica</option>
          <option value="Japan">Japan</option>
          <option value="Jersey">Jersey</option>
          <option value="Jordan">Jordan</option>
          <option value="Kazakhstan">Kazakhstan</option>
          <option value="Kenya">Kenya</option>
          <option value="Kiribati">Kiribati</option>
          <option value="Korea, Democratic Peoples Republic of">Korea, Democratic Peoples Republic of</option>
          <option value="Kosovo">Kosovo</option>
          <option value="Kuwait">Kuwait</option>
          <option value="Kyrgyzstan">Kyrgyzstan</option>
          <option value="Laos">Laos</option>
          <option value="Latvia">Latvia</option>
          <option value="Lebanon">Lebanon</option>
          <option value="Lesotho">Lesotho</option>
          <option value="Liberia">Liberia</option>
          <option value="Libya">Libya</option>
          <option value="Liechtenstein">Liechtenstein</option>
          <option value="Lithuania">Lithuania</option>
          <option value="Luxembourg">Luxembourg</option>
          <option value="Macedonia">Macedonia</option>
          <option value="Madagascar">Madagascar</option>
          <option value="Malawi">Malawi</option>
          <option value="Malaysia">Malaysia</option>
          <option value="Maldives">Maldives</option>
          <option value="Mali">Mali</option>
          <option value="Malta">Malta</option>
          <option value="Marshall Islands">Marshall Islands</option>
          <option value="Mauritania">Mauritania</option>
          <option value="Mauritius">Mauritius</option>
          <option value="Mexico">Mexico</option>
          <option value="Micronesia">Micronesia</option>
          <option value="Moldova">Moldova</option>
          <option value="Monaco">Monaco</option>
          <option value="Mongolia">Mongolia</option>
          <option value="Montenegro">Montenegro</option>
          <option value="Morocco">Morocco</option>
          <option value="Mozambique">Mozambique</option>
          <option value="Myanmar, (Burma)">Myanmar</option>
          <option value="Namibia">Namibia</option>
          <option value="Nauru">Nauru</option>
          <option value="Nepal">Nepal</option>
          <option value="Netherlands">Netherlands</option>
          <option value="New Zealand">New Zealand</option>
          <option value="Nicaragua">Nicaragua</option>
          <option value="Niger">Niger</option>
          <option value="Nigeria">Nigeria</option>
          <option value="Northern Mariana Islands">Northern Mariana Islands</option>
          <option value="Norway">Norway</option>
          <option value="Oman">Oman</option>
          <option value="Pakistan">Pakistan</option>
          <option value="Palau">Palau</option>
          <option value="Panama">Panama</option>
          <option value="Papua New Guinea">Papua New Guinea</option>
          <option value="Paraguay">Paraguay</option>
          <option value="Peru">Peru</option>
          <option value="Philippines">Philippines</option>
          <option value="Poland">Poland</option>
          <option value="Portugal">Portugal</option>
          <option value="Puerto Rico">Puerto Rico</option>
          <option value="Qatar">Qatar</option>
          <option value="Romania">Romania</option>
          <option value="Russian Federation">Russia</option>
          <option value="Rwanda">Rwanda</option>
          <option value="Saint Vincent &amp; the Grenadines">Saint Vincent &amp; the Grenadines</option>
          <option value="Samoa">Samoa</option>
          <option value="San Marino">San Marino</option>
          <option value="Sao Tome &amp; Principe">Sao Tome &amp; Principe</option>
          <option value="Saudi Arabia">Saudi Arabia</option>
          <option value="Senegal">Senegal</option>
          <option value="Serbia">Serbia</option>
          <option value="Seychelles">Seychelles</option>
          <option value="Sierra Leone">Sierra Leone</option>
          <option value="Singapore">Singapore</option>
          <option value="Slovakia">Slovakia</option>
          <option value="Slovenia">Slovenia</option>
          <option value="Solomon Islands">Solomon Islands</option>
          <option value="Somalia">Somalia</option>
          <option value="South Africa">South Africa</option>
          <option value="South Korea">South Korea</option>
          <option value="South Sudan">South Sudan</option>
          <option value="Spain">Spain</option>
          <option value="Sri Lanka">Sri Lanka</option>
          <option value="St Kitts &amp; Nevis">St Kitts &amp; Nevis</option>
          <option value="St Lucia">St Lucia</option>
          <option value="Sudan">Sudan</option>
          <option value="Suriname">Suriname</option>
          <option value="Swaziland">Swaziland</option>
          <option value="Sweden">Sweden</option>
          <option value="Switzerland">Switzerland</option>
          <option value="Syria">Syria</option>
          <option value="Taiwan">Taiwan</option>
          <option value="Tajikistan">Tajikistan</option>
          <option value="Tanzania, United Republic of">Tanzania, United Republic of</option>
          <option value="Thailand">Thailand</option>
          <option value="Togo">Togo</option>
          <option value="Balkans">Balkans</option>
          <option value="Tonga">Tonga</option>
          <option value="Trinidad &amp; Tobago">Trinidad &amp; Tobago</option>
          <option value="Tunisia">Tunisia</option>
          <option value="Turkey">Turkey</option>
          <option value="Turkmenistan">Turkmenistan</option>
          <option value="Tuvalu">Tuvalu</option>
          <option value="Uganda">Uganda</option>
          <option value="Ukraine">Ukraine</option>
          <option value="United Arab Emirates">United Arab Emirates</option>
          <option value="United Kingdom">United Kingdom</option>
          <option value="United States">United States</option>
          <option value="Uruguay">Uruguay</option>
          <option value="Uzbekistan">Uzbekistan</option>
          <option value="Vanuatu">Vanuatu</option>
          <option value="Vatican City">Vatican City</option>
          <option value="Venezuela, Bolivarian Republic of">Venezuela</option>
          <option value="Vietnam">Vietnam</option>
          <option value="Yemen">Yemen</option>
          <option value="Zambia">Zambia</option>
          <option value="Zimbabwe">Zimbabwe</option>
        </select></div>
    </div>
  </fieldset>
  <fieldset class="form-columns-1">
    <div class="hs_is_your_organization_currently_using_varnish hs-is_your_organization_currently_using_varnish hs-fieldtype-select field hs-form-field"><label
        id="label-is_your_organization_currently_using_varnish-fe899415-c49e-4dad-8696-e498783f8716_8764" class="" placeholder="Enter your Is your organization currently using Varnish?"
        for="is_your_organization_currently_using_varnish-fe899415-c49e-4dad-8696-e498783f8716_8764"><span>Is your organization currently using Varnish?</span><span class="hs-form-required">*</span></label>
      <legend class="hs-field-desc" style="display: none;"></legend>
      <div class="input"><select id="is_your_organization_currently_using_varnish-fe899415-c49e-4dad-8696-e498783f8716_8764" required="" class="hs-input is-placeholder" name="is_your_organization_currently_using_varnish">
          <option disabled="" value="">Please Select</option>
          <option value="Varnish Cache">Varnish Cache</option>
          <option value="Varnish Plus">Varnish Enterprise (former Varnish Plus)</option>
          <option value="Varnish Plus Cloud">Varnish Cloud</option>
          <option value="none">No</option>
          <option value="I don't know">I don't know</option>
        </select></div>
    </div>
  </fieldset>
  <fieldset class="form-columns-1">
    <div class="hs_what_subject_are_you_most_interested_in_ hs-what_subject_are_you_most_interested_in_ hs-fieldtype-select field hs-form-field"><label id="label-what_subject_are_you_most_interested_in_-fe899415-c49e-4dad-8696-e498783f8716_8764"
        class="" placeholder="Enter your What subject are you most interested in?" for="what_subject_are_you_most_interested_in_-fe899415-c49e-4dad-8696-e498783f8716_8764"><span>What subject are you most interested in?</span><span
          class="hs-form-required">*</span></label>
      <legend class="hs-field-desc" style="display: none;"></legend>
      <div class="input"><select id="what_subject_are_you_most_interested_in_-fe899415-c49e-4dad-8696-e498783f8716_8764" required="" class="hs-input is-placeholder" name="what_subject_are_you_most_interested_in_">
          <option disabled="" value="">Please Select</option>
          <option value="Varnish Enterprise solutions &amp; features">Varnish Enterprise solutions &amp; features</option>
          <option value="Learning Varnish and understanding VCL">Learning Varnish and understanding VCL</option>
          <option value="Varnish 6 tuning and optimizng">Varnish 6 tuning and optimizing</option>
          <option value="All of the above">All of the above</option>
          <option value="Not sure yet">Not sure yet</option>
        </select></div>
    </div>
  </fieldset>
  <fieldset class="form-columns-1">
    <div class="legal-consent-container">
      <div>
        <div class="hs-dependent-field">
          <div class="hs_LEGAL_CONSENT.subscription_type_847603 hs-LEGAL_CONSENT.subscription_type_847603 hs-fieldtype-booleancheckbox field hs-form-field">
            <legend class="hs-field-desc" style="display: none;"></legend>
            <div class="input">
              <ul class="inputs-list">
                <li class="hs-form-booleancheckbox"><label for="LEGAL_CONSENT.subscription_type_847603-fe899415-c49e-4dad-8696-e498783f8716_8764" class="hs-form-booleancheckbox-display"><input
                      id="LEGAL_CONSENT.subscription_type_847603-fe899415-c49e-4dad-8696-e498783f8716_8764" class="hs-input" type="checkbox" name="LEGAL_CONSENT.subscription_type_847603" value="true"><span>
                      <p>Varnish Software may use your contact details to send you product updates, invitation to events and special offers. You can unsubscribe from our communication at any time. You will find more detailed information in our
                        Privacy Policy.</p>
                    </span></label></li>
              </ul>
            </div>
          </div>
        </div>
        <legend class="hs-field-desc checkbox-desc" style="display: none;"></legend>
      </div>
      <div class="hs-richtext">By clicking submit below, you consent to allow Varnish Software to store and process the personal information submitted above to provide you the content requested.</div>
    </div>
  </fieldset>
  <div class="hs_submit hs-submit">
    <div class="hs-field-desc" style="display: none;"></div>
    <div class="actions"><input type="submit" class="hs-button primary large" value="Download Now"></div>
  </div><input name="hs_context" type="hidden"
    value="{&quot;embedAtTimestamp&quot;:&quot;1703710570439&quot;,&quot;formDefinitionUpdatedAt&quot;:&quot;1699276489136&quot;,&quot;legalConsentOptions&quot;:&quot;{\&quot;legitimateInterestSubscriptionTypes\&quot;:[32346999],\&quot;communicationConsentCheckboxes\&quot;:[{\&quot;communicationTypeId\&quot;:847603,\&quot;label\&quot;:\&quot;<p>Varnish Software may use your contact details to send you product updates, invitation to events and special offers. You can unsubscribe from our communication at any time. You will find more detailed information in our Privacy Policy.</p>\&quot;,\&quot;required\&quot;:false}],\&quot;legitimateInterestLegalBasis\&quot;:\&quot;LEGITIMATE_INTEREST_PQL\&quot;,\&quot;processingConsentType\&quot;:\&quot;IMPLICIT\&quot;,\&quot;processingConsentText\&quot;:\&quot;By clicking submit below, you consent to allow Varnish Software to store and process the personal information submitted above to provide you the content requested.\&quot;,\&quot;processingConsentCheckboxLabel\&quot;:\&quot;I agree to allow Varnish Software to store and process my personal data.\&quot;,\&quot;isLegitimateInterest\&quot;:false}&quot;,&quot;disableCookieSubmission&quot;:&quot;true&quot;,&quot;userAgent&quot;:&quot;Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36&quot;,&quot;pageTitle&quot;:&quot;Varnish 6 by Example | Book&quot;,&quot;pageUrl&quot;:&quot;https://info.varnish-software.com/resources/varnish-6-by-example-book&quot;,&quot;pageId&quot;:&quot;44783940503&quot;,&quot;isHubSpotCmsGeneratedPage&quot;:true,&quot;canonicalUrl&quot;:&quot;https://info.varnish-software.com/resources/varnish-6-by-example-book&quot;,&quot;contentType&quot;:&quot;landing-page&quot;,&quot;hutk&quot;:&quot;b708711ba4efe862537ee9dda97d17b7&quot;,&quot;__hsfp&quot;:166273013,&quot;__hssc&quot;:&quot;54674356.1.1703710571277&quot;,&quot;__hstc&quot;:&quot;54674356.b708711ba4efe862537ee9dda97d17b7.1703710571277.1703710571277.1703710571277.1&quot;,&quot;formTarget&quot;:&quot;#hs_form_target_widget_44783940520&quot;,&quot;formInstanceId&quot;:&quot;8764&quot;,&quot;rawInlineMessage&quot;:&quot;<p><strong>Thank you!</strong></p>\n<p>You will shortly receive a copy of the new Varnish 6 by Example book in your inbox.</p>\n<p>If you don't receive the email (for technical reasons, spam filter or other e-mail bounces), please drop us a line at&amp;nbsp;marketing@varnish-software.com and we'll sort it out for you.</p>&quot;,&quot;hsFormKey&quot;:&quot;4f1e5641c03d6ed887f91e7eb6835509&quot;,&quot;pageName&quot;:&quot;Varnish 6 by Example | Book&quot;,&quot;boolCheckBoxFields&quot;:&quot;LEGAL_CONSENT.subscription_type_847603&quot;,&quot;rumScriptExecuteTime&quot;:5889.900000095367,&quot;rumTotalRequestTime&quot;:6113.199999809265,&quot;rumTotalRenderTime&quot;:6142.599999904633,&quot;rumServiceResponseTime&quot;:223.2999997138977,&quot;rumFormRenderTime&quot;:29.40000009536743,&quot;locale&quot;:&quot;en&quot;,&quot;timestamp&quot;:1703710571284,&quot;originalEmbedContext&quot;:{&quot;portalId&quot;:&quot;209523&quot;,&quot;formId&quot;:&quot;fe899415-c49e-4dad-8696-e498783f8716&quot;,&quot;region&quot;:&quot;na1&quot;,&quot;target&quot;:&quot;#hs_form_target_widget_44783940520&quot;,&quot;isBuilder&quot;:false,&quot;isTestPage&quot;:false,&quot;isPreview&quot;:false,&quot;formInstanceId&quot;:&quot;8764&quot;,&quot;formsBaseUrl&quot;:&quot;/_hcms/forms&quot;,&quot;css&quot;:&quot;&quot;,&quot;inlineMessage&quot;:&quot;<p><strong>Thank you!</strong></p>\n<p>You will shortly receive a copy of the new Varnish 6 by Example book in your inbox.</p>\n<p>If you don't receive the email (for technical reasons, spam filter or other e-mail bounces), please drop us a line at&amp;nbsp;marketing@varnish-software.com and we'll sort it out for you.</p>&quot;,&quot;isMobileResponsive&quot;:true,&quot;rawInlineMessage&quot;:&quot;<p><strong>Thank you!</strong></p>\n<p>You will shortly receive a copy of the new Varnish 6 by Example book in your inbox.</p>\n<p>If you don't receive the email (for technical reasons, spam filter or other e-mail bounces), please drop us a line at&amp;nbsp;marketing@varnish-software.com and we'll sort it out for you.</p>&quot;,&quot;hsFormKey&quot;:&quot;4f1e5641c03d6ed887f91e7eb6835509&quot;,&quot;pageName&quot;:&quot;Varnish 6 by Example | Book&quot;,&quot;pageId&quot;:&quot;44783940503&quot;,&quot;contentType&quot;:&quot;landing-page&quot;,&quot;formData&quot;:{&quot;cssClass&quot;:&quot;hs-form stacked hs-custom-form&quot;},&quot;isCMSModuleEmbed&quot;:true},&quot;correlationId&quot;:&quot;c2fc1a36-e1a6-4ec1-9b74-3cad46ef7e79&quot;,&quot;renderedFieldsIds&quot;:[&quot;firstname&quot;,&quot;lastname&quot;,&quot;email&quot;,&quot;persona_job_title&quot;,&quot;company&quot;,&quot;business_sector&quot;,&quot;country&quot;,&quot;is_your_organization_currently_using_varnish&quot;,&quot;what_subject_are_you_most_interested_in_&quot;,&quot;LEGAL_CONSENT.subscription_type_847603&quot;],&quot;captchaStatus&quot;:&quot;NOT_APPLICABLE&quot;,&quot;emailResubscribeStatus&quot;:&quot;NOT_APPLICABLE&quot;,&quot;isInsideCrossOriginFrame&quot;:false,&quot;source&quot;:&quot;forms-embed-1.4371&quot;,&quot;sourceName&quot;:&quot;forms-embed&quot;,&quot;sourceVersion&quot;:&quot;1.4371&quot;,&quot;sourceVersionMajor&quot;:&quot;1&quot;,&quot;sourceVersionMinor&quot;:&quot;4371&quot;,&quot;allPageIds&quot;:{&quot;embedContextPageId&quot;:&quot;44783940503&quot;,&quot;analyticsPageId&quot;:&quot;44783940503&quot;,&quot;contentPageId&quot;:44783940503,&quot;contentAnalyticsPageId&quot;:&quot;44783940503&quot;},&quot;_debug_embedLogLines&quot;:[{&quot;clientTimestamp&quot;:1703710570534,&quot;level&quot;:&quot;INFO&quot;,&quot;message&quot;:&quot;Retrieved customer callbacks used on embed context: [\&quot;getExtraMetaDataBeforeSubmit\&quot;]&quot;},{&quot;clientTimestamp&quot;:1703710570535,&quot;level&quot;:&quot;INFO&quot;,&quot;message&quot;:&quot;Retrieved pageContext values which may be overriden by the embed context: {\&quot;pageTitle\&quot;:\&quot;Varnish 6 by Example | Book\&quot;,\&quot;pageUrl\&quot;:\&quot;https://info.varnish-software.com/resources/varnish-6-by-example-book\&quot;,\&quot;userAgent\&quot;:\&quot;Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36\&quot;,\&quot;pageId\&quot;:\&quot;44783940503\&quot;,\&quot;contentAnalyticsPageId\&quot;:\&quot;44783940503\&quot;,\&quot;contentPageId\&quot;:44783940503,\&quot;isHubSpotCmsGeneratedPage\&quot;:true}&quot;},{&quot;clientTimestamp&quot;:1703710570536,&quot;level&quot;:&quot;INFO&quot;,&quot;message&quot;:&quot;Retrieved countryCode property from normalized embed definition response: \&quot;DE\&quot;&quot;},{&quot;clientTimestamp&quot;:1703710571281,&quot;level&quot;:&quot;INFO&quot;,&quot;message&quot;:&quot;Retrieved analytics values from API response which may be overriden by the embed context: {\&quot;hutk\&quot;:\&quot;b708711ba4efe862537ee9dda97d17b7\&quot;,\&quot;canonicalUrl\&quot;:\&quot;https://info.varnish-software.com/resources/varnish-6-by-example-book\&quot;,\&quot;contentType\&quot;:\&quot;landing-page\&quot;,\&quot;pageId\&quot;:\&quot;44783940503\&quot;}&quot;}]}"><iframe
    name="target_iframe_fe899415-c49e-4dad-8696-e498783f8716_8764" style="display: none;"></iframe>
</form>

POST https://forms.hubspot.com/submissions/v3/public/submit/formsnext/multipart/209523/457184bd-0901-4b19-b9df-643ce223d3fd

<form novalidate="" accept-charset="UTF-8" action="https://forms.hubspot.com/submissions/v3/public/submit/formsnext/multipart/209523/457184bd-0901-4b19-b9df-643ce223d3fd" enctype="multipart/form-data" id="hsForm_457184bd-0901-4b19-b9df-643ce223d3fd"
  method="POST" class="newsletter-signup hs-form hs-form-private hs-form-457184bd-0901-4b19-b9df-643ce223d3fd_534815bc-d393-46e9-a531-0be49d3bd6b1" data-form-id="457184bd-0901-4b19-b9df-643ce223d3fd" data-portal-id="209523"
  target="target_iframe_457184bd-0901-4b19-b9df-643ce223d3fd" data-reactid=".hbspt-forms-0">
  <div class="hs_email field hs-form-field" data-reactid=".hbspt-forms-0.0:$0">
    <label id="label-email-457184bd-0901-4b19-b9df-643ce223d3fd" class="" for="email-457184bd-0901-4b19-b9df-643ce223d3fd" data-reactid=".hbspt-forms-0.0:$0.0"><span data-reactid=".hbspt-forms-0.0:$0.0.0">Your e-mail address</span><span
        class="hs-form-required" data-reactid=".hbspt-forms-0.0:$0.0.1">*</span></label>
    <div class="input" data-reactid=".hbspt-forms-0.0:$0.$email">
      <input id="email-457184bd-0901-4b19-b9df-643ce223d3fd" class="hs-input" type="email" name="email" required="" placeholder="Email" value="" data-reactid=".hbspt-forms-0.0:$0.$email.0">
    </div>
  </div>
  <div class="hs_privacy_policy_approval field hs-form-field" data-reactid=".hbspt-forms-0.0:$1">
    <div class="input" data-reactid=".hbspt-forms-0.0:$1.$privacy_policy_approval">
      <ul class="inputs-list" required="" data-reactid=".hbspt-forms-0.0:$1.$privacy_policy_approval.0">
        <li class="hs-form-booleancheckbox" data-reactid=".hbspt-forms-0.0:$1.$privacy_policy_approval.0.0">
          <label for="privacy_policy_approval-457184bd-0901-4b19-b9df-643ce223d3fd" class="hs-form-booleancheckbox-display" data-reactid=".hbspt-forms-0.0:$1.$privacy_policy_approval.0.0.0"><input
              id="privacy_policy_approval-457184bd-0901-4b19-b9df-643ce223d3fd" class="hs-input" type="checkbox" name="privacy_policy_approval" value="true" data-reactid=".hbspt-forms-0.0:$1.$privacy_policy_approval.0.0.0.0"><span
              data-reactid=".hbspt-forms-0.0:$1.$privacy_policy_approval.0.0.0.1">Varnish Software will use your contact details to send you a monthly newsletter. You can unsubscribe from our communication at any time. You will find more detailed
              information in our
              <a href="https://www.varnish-software.com/privacy-policy/?__hstc=1833966.1edd8619554e2f1ed9424a43a053ed2e.1518597556996.1518597556996.1518597556996.1&amp;__hssc=1833966.13.1519820244380&amp;__hsfp=1722085392" target="_blank">Privacy Policy</a>.</span><span
              class="hs-form-required" data-reactid=".hbspt-forms-0.0:$1.$privacy_policy_approval.0.0.0.2">*</span></label>
        </li>
      </ul>
    </div>
  </div>
  <div class="hs_submit" data-reactid=".hbspt-forms-0.3">
    <div class="actions" data-reactid=".hbspt-forms-0.3.1">
      <input type="submit" value="Subscribe" class="hs-button primary large" data-reactid=".hbspt-forms-0.3.1.0">
    </div>
  </div>
  <input name="hs_context" type="hidden" value="...">
</form>

Text Content

We and our partners use technology such as cookies on our site to personalise
content and ads, provide social media features, and analyse our traffic. Click
below to consent to the use of this technology across the web. To find out more
about the cookies we use, see our Privacy Policy.

No problem! Decline


 


VARNISH 6 BY EXAMPLE

 

Varnish 6 by Example is the essential guide to all things Varnish 6, with
tutorials for features and modules across Varnish Cache and Varnish Enterprise. 

It’s a practical book full of tips and best practices for getting the most out
of your Varnish setup and reaching new heights in your caching operations,
whether you’re new to Varnish or an experienced pro.

Fully updated to cover the latest features, modules and use cases, Varnish 6 By
Example provides everything you need to learn VCL, scale web operations, build
custom CDNs and level-up your Varnish skills.

Ready to become a Varnish master? Download Varnish 6 By Example now! 👉

 


Get Your Free Copy 

First Name*

Last Name*

Email*

Job type*
- Please Select -Developer/ Devops/ Sysadmin or similarIT Manager/Director/IT
Project Lead/Manager or similarCTO/VP of Technology or similarCXO/ EVP/ SVP/ VP/
DirectorWeb/Software Architect or similarStudent/ Freelancer/ InternAnalystOther
Company Name*

Business sector*
- Please Select -Broadcast / StreamingRetail / E-CommerceEducationBanking /
Finance / InsuranceGamingSystems IntegratorNews Services / Media /
PublishingPublic sectorTransport, Travel &
HospitalityTelecommunicationsGamblingManufacturingHealthcare /
PharmaceuticalsSportsOther
Country*
- Please Select -AfghanistanAland IslandsAlbaniaAlgeriaAmerican
SamoaAndorraAngolaAntigua and
BarbudaArgentinaArmeniaArubaAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelgiumBelizeBeninBermudaBhutanBoliviaBosnia
and HerzegovinaBotswanaBrazilBruneiBulgariaBurkina
FasoBurundiCambodiaCameroonCanadaCape VerdeCentral African
RepublicChadChileChinaColombiaComorosCongoCongo, the Democratic Republic of
theCosta RicaCote d IvoireCroatiaCubaCyprusCzech
RepublicDenmarkDjiboutiDominicaDominican RepublicEast TimorEcuadorEgyptEl
SalvadorEquatorial GuineaEritreaEstoniaEthiopiaFaroe
IslandsFijiFinlandFranceGabonGambiaGeorgiaGermanyGhanaGibraltarGreeceGrenadaGuamGuatemalaGuineaGuinea-BissauGuyanaHaitiHondurasHong
KongHungaryIcelandIndiaIndonesiaIran, Islamic Republic
ofIraqIrelandIsraelItalyJamaicaJapanJerseyJordanKazakhstanKenyaKiribatiKorea,
Democratic Peoples Republic
ofKosovoKuwaitKyrgyzstanLaosLatviaLebanonLesothoLiberiaLibyaLiechtensteinLithuaniaLuxembourgMacedoniaMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall
IslandsMauritaniaMauritiusMexicoMicronesiaMoldovaMonacoMongoliaMontenegroMoroccoMozambiqueMyanmarNamibiaNauruNepalNetherlandsNew
ZealandNicaraguaNigerNigeriaNorthern Mariana
IslandsNorwayOmanPakistanPalauPanamaPapua New
GuineaParaguayPeruPhilippinesPolandPortugalPuerto
RicoQatarRomaniaRussiaRwandaSaint Vincent & the GrenadinesSamoaSan MarinoSao
Tome & PrincipeSaudi ArabiaSenegalSerbiaSeychellesSierra
LeoneSingaporeSlovakiaSloveniaSolomon IslandsSomaliaSouth AfricaSouth KoreaSouth
SudanSpainSri LankaSt Kitts & NevisSt
LuciaSudanSurinameSwazilandSwedenSwitzerlandSyriaTaiwanTajikistanTanzania,
United Republic ofThailandTogoBalkansTongaTrinidad &
TobagoTunisiaTurkeyTurkmenistanTuvaluUgandaUkraineUnited Arab EmiratesUnited
KingdomUnited StatesUruguayUzbekistanVanuatuVatican
CityVenezuelaVietnamYemenZambiaZimbabwe
Is your organization currently using Varnish?*
Please SelectVarnish CacheVarnish Enterprise (former Varnish Plus)Varnish
CloudNoI don't know
What subject are you most interested in?*
Please SelectVarnish Enterprise solutions & featuresLearning Varnish and
understanding VCLVarnish 6 tuning and optimizingAll of the aboveNot sure yet

 * Varnish Software may use your contact details to send you product updates,
   invitation to events and special offers. You can unsubscribe from our
   communication at any time. You will find more detailed information in our
   Privacy Policy.

By clicking submit below, you consent to allow Varnish Software to store and
process the personal information submitted above to provide you the content
requested.



"This book takes a deep dive into the technical features of Varnish and then
goes further: it encourages readers to rethink their content delivery strategy
and emphasizes the importance of decision-making on the edge. It's packed with
examples, making abstract content delivery concepts more tangible and relatable,
so you're ready to use Varnish in the wild."



Thijs Feryn, Varnish Software Tech Evangelist & Book Author


WHAT YOU WILL LEARN

VARNISH 6 BY EXAMPLE TAKES A HANDS-ON APPROACH TO VARNISH, FROM FIRST STEPS WITH
THE SOFTWARE TO TACKLING ADVANCED CACHING TECHNIQUES.

 

INSTALL VARNISH

Across platforms, hardware and distributions

CACHING BASICS

Leveraging HTTP caching best practices

WRITE
VCL

A flexible edge logic for finely tuned caching

CONFIGURE STORAGE

And understand how to efficiently cache massive amounts of datas

USE EVERY FEATURE

A guide to all Varnish 6 features and vmods

LOAD BALANCING

And using Varnish in a multi-node architecture

SECURING VARNISH

With access controls, cache encryption and TLS

ADVANCED EDGE CACHING

From cache invalidation to caching the uncacheable

STREAM
VIDEO

Varnish is a powerful live, OTT, VoD streaming platform

BUILD
CDNS

And unlock Private CDN performance


 


CHAPTERS IN VARNISH 6 BY EXAMPLE

AS THE COMPREHENSIVE GUIDE TO ALL THINGS VARNISH 6, THE BOOK COVERS THE
FOLLOWING TOPICS:

 * What is Varnish?
 * Why choose Varnish 6?
 * HTTP caching
 * The Varnish Configuration Language
 * Varnish Modules
 * Invalidating the cache
 * Varnish for operations
 * Decision-making on the edge
 * Building your own CDN with Varnish


 


READY TO START?

Follow the tutorials in Varnish 6 By Example
to continue your Varnish journey



DOWNLOAD 


CONTACT US

Stockholm +46 8 410 909 30
Paris +33 1 70 75 27 81
Singapore: +65 8434 8028

 

Contact us


PRODUCTS & SERVICES

Varnish Enterprise
Varnish Controller
Varnish Traffic Router
Varnish Cache
Support
Professional Services
Varnish as a Managed Service


SOLUTIONS

Web Acceleration
API Acceleration
Web App Protection
Private CDN
Hybrid CDN
Video Delivery
Origin Shield
Telco Edge
Edge Compute
On-Premise Edge
Application Delivery


RESOURCES

Documentation
The Varnish Book
Getting started with Varnish
Case studies
White papers
Webinars
Videos & demos


COMPANY

About us
Blog
Careers
Partners
Events
Customer guide
Community
Privacy policy
Trademark


LET'S CONNECT

facebooktwitterlinkedingithubyoutube


SIGN UP FOR OUR NEWSLETTER!

Your e-mail address*

 * Varnish Software will use your contact details to send you a monthly
   newsletter. You can unsubscribe from our communication at any time. You will
   find more detailed information in our Privacy Policy.*


 * Press
 * Branding
 * Copyright Varnish Software AB

®Varnish Software, Vasagatan 7, 111 20 Stockholm, Organization nr. 556805-6203