Post B7ijmdfClCQUrRLImm by pid_eins@mastodon.social
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 (DIR) Post #B7ijmdfClCQUrRLImm by pid_eins@mastodon.social
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       2️⃣5️⃣ Here's the 25th post highlighting key new features of the recently released v261 release of systemd. #systemd261 #systemd The systemd-socket-proxy tool has been part of the systemd toolset for a long long time, but is probably not known by many. It was originally created to add "fake" socket activation support to daemons that do not support it natively: the tool implements the socket activation, can be wrapped in appropriate socket activation unit files, and when activated…
       
 (DIR) Post #B7ijmeAOtDNcQBwDPU by pid_eins@mastodon.social
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       …those units can activate the daemon in question, and the tool will then proxy the socket communication over to it.Nowadays, thankfully, a lot more services support socket activation natively (it's just cool tech after all), so it's not as important anymore, but it is still useful for a variety of usecases, since it allows to proxy socket traffic from one socket to another (possibly of different families), with full socket activation and exit-on-idle.With v261 it gained one more…
       
 (DIR) Post #B7ijmeeB6VCPuXrzpA by pid_eins@mastodon.social
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       …feature: it now implements the PROXY-v1 protocol when forwarding traffic, which is understood by nginx and similar projects, and let's them know about connection metadata of the original connection that is being proxied.For details about the protocol, see https://www.haproxy.org/download/1.8/doc/proxy-protocol.txt