The error message “SELinux is preventing the squid (squid_t) from binding to port 5000” indicates that SELinux is blocking the Squid proxy server from listening on port 5000. This is because SELinux is configured to enforce strict policies on which services are allowed to bind to which network ports.
To resolve this issue, you can modify the SELinux policy to allow Squid to bind to port 5000. Here are the steps to do so:
- Check the SELinux context of the Squid binary:
ls -Z /usr/sbin/squid
- Check the current SELinux policy for the Squid process:
$ semanage port -l | grep squid
- If the port 5000 is not listed, add it to the SELinux policy:
$ semanage port -a -t squid_port_t -p tcp 5000
- Restart the Squid service:
$ systemctl restart squid
- Verify that Squid is now listening on port 5000:
$ ss -tulpn | grep 5000
These steps should resolve the error and allow the Squid proxy server to bind to port 5000. If the issue persists, you may need to consult the SELinux documentation or seek assistance from the SELinux community.