pfSense » pfSense Packages

1. Install pfSense latest snapshot;
2. Install squid3-dev package;

System logs will be bloated with:
Nov 21 12:59:12 squid⁶⁰⁴²⁵: Squid Parent: (squid-1) process 68533 will not be restarted due to repeated, frequent failures
Nov 21 12:59:12 squid⁶⁰⁴²⁵: Squid Parent: (squid-1) process 68533 exited with status 1
Nov 21 12:59:12 squid⁶⁰⁴²⁵: Squid Parent: (squid-1) process 68533 started
Nov 21 12:59:09 squid⁶⁰⁴²⁵: Squid Parent: (squid-1) process 66697 exited with status 1
Nov 21 12:59:09 squid⁶⁰⁴²⁵: Squid Parent: (squid-1) process 66697 started
Nov 21 12:59:06 squid⁶⁰⁴²⁵: Squid Parent: (squid-1) process 66368 exited with status 1

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Some debugging:
squid -d 9 -> Shared object “libmd5.so.1″ not found, required by “squid” -> ln -s /lib/libmd.so.6 /usr/lib/libmd5.so.1
squid -d 9 -> FATAL: Unable to open configuration file: /usr/local/etc/squid/squid.conf: (2) No such file or directory -> ln -s /usr/pbi/squid-amd64/local/etc/squid /usr/local/etc/squid
squid -d 9 -> ERROR: unlinkd_program /usr/local/libexec/squid/unlinkd: (2) No such file or directory

Looks like there are some symlinks are missing. Forum link: https://forum.pfsense.org/index.php?topic=80786.0