In CloudBees CD (CloudBees Flow) 8.5, the Apache web server is upgraded from version 2.2 to 2.4.43. For details, see https://www.apache.org/dist/httpd/CHANGES_2.4.
The list of modules supported in the out-of-box configuration is updated to conform to the best practices and guidelines for performance and security. To add new Apache modules that are not provided out-of-box, you must add a custom configuration file under the INSTALL_DIR/apache/conf/conf.d folder and add appropriate LoadModule entries.
The module updates are as follows.
Added in 2.4 on Windows Platforms
access_compat_module
authn_core_module
authz_core_module
filter_module
proxy_wstunnel_module
reqtimeout_module
socache_dbm_module
version_module
Removed in 2.4 on Linux Platforms
actions_module
asis_module
auth_digest_module
authn_anon_module
authn_dbd_module
authn_dbm_module
authz_dbm_module
authz_owner_module
cern_meta_module
dav_fs_module
dav_module
dbd_module
dumpio_module
ext_filter_module
ident_module
imagemap_module
info_module
log_forensic_module
logio_module
mime_magic_module
proxy_ajp_module
proxy_balancer_module
proxy_connect_module
proxy_ftp_module
speling_module
substitute_module
unique_id_module
userdir_module
usertrack_module
vhost_alias_module
Added in 2.4 on Linux Platforms
access_compat_module
authn_core_module
authz_core_module
proxy_wstunnel_module
reqtimeout_module
socache_dbm_module
unixd_module