JIRA Server Administration - JIRA 6.x Administration Topic - page 34

If you cannot use JIRA Configuration Tool , you can perform the following steps to
manually set up the configuration:
1. Open the web.xml file located in the JIRA_INSTALL/atlassian-jira/
WEB-INF directory.
2. Add the following XML snippet at the end of the file, just before the closing
</webapp> tag:
<security-constraint>
<display-name>HTTP to HTTPs
Redirection</display-name>
<web-resource-collection>
<web-resource-name>all-except-attachments</web-resource-name>