you guys don't just memorize all your local ip's?
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Seriously though, one of the first things I did when I was hired as the sysadmin for a small company was to eliminate the need for memorizing/bookmarking ip-port combos. I moved everything to standard ports and DNS names.
Any services running on the same machine that needed the same ports were put behind a reverse proxy with virtual hosts to route to the right service. Each IP address was assigned an easy-to-remember DNS name. And each service was setup with TLS/SSL instead of the bare HTTP they had previously.