Add support for SSL/TLS connections (Secure Socket Layer / Transport Layer Security)

Packages describing “ssl” as local USE flag

Package “ssl” Flag Description
app-admin/rsyslog Add support for encrypted client/server communication (requires net-libs/gnutls)
net-misc/openssh-contrib Enable additional crypto algorithms via OpenSSL
media-video/obs-studio Build with TLS/SSL support for RTMPS connections.
net-irc/anope Provide SSL services using OpenSSL
media-sound/pulseaudio-daemon Use dev-libs/openssl to provide support for RAOP (AirPort) streaming.
net-misc/curl Enable crypto engine support (via openssl if USE='-gnutls -nss')
dev-libs/libevent Support for dev-libs/openssl encryption
net-fs/netatalk Use dev-libs/openssl to provide DHX User Access Modules. These are not used with most recent versions of OS X and can be kept disabled without risks.
dev-perl/DBD-mysql Compile in support for SSL connections via libmysqlclient
mail-client/s-nail If network is enabled, this adds support for S/MIME and SSL/TLS-powered protocols through dev-libs/openssl.
media-video/pipewire Enable raop-sink support (needs dev-libs/openssl)
www-servers/nginx Enable HTTPS module for http. Enable SSL/TLS support for POP3/IMAP/SMTP for mail.
net-dns/dnsdist Enable support for and encrypted client-server communication via dev-libs/libsodium
net-irc/inspircd Enable SSL support
app-admin/tripwire Adds support for Secure Socket Layer connections
www-client/lynx Enable HTTPS support.
media-video/rtmpdump Enable Cryptographic features
net-proxy/privoxy HTTPS inspection support. Enables privoxy to perform SSL MITM filtering, see docs, use with care
dev-php/PEAR-HTTP_Request2 Force dev-lang/php to be compiled with ssl extension
net-misc/openssh Enable additional crypto algorithms via OpenSSL
app-admin/gkrellm Enable SSL support for mail checking with dev-libs/openssl
dev-perl/Mail-IMAPClient Install support for SSL Connections
net-p2p/fms Add support for FCP connection over SSL

All packages providing a “ssl” USE flag (230)