alt Hacker NewsYup the regular "8080:8080" bind resulted in a ransom note in my database on day 1. Bound it to localhost only now.
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szszrk • last Thursday at 9:33 AM
one thing I always forget about, is that you have a whole network of 127.0.0.0/8 , not just one IP.
So you can create multiple addresses with multiple separate "domains" mapped statically in /etc/hosts, and allow multiple apps to listen on "the same" port without conflicts.
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I had the same experience (postgres/postgres on default port). It took me a few days to find out, because the affected database was periodically re-built from another source. I just noticed that for some periods the queries failed until the next rebuild.