IPSec tunnels failing
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We've had an issue that began yesterday with the Squid proxy. After reinstalling pfSense and restoring a backup config, we still are fighting intermittent remote VPN failures. In Status: IPsec window, on the VPNs that are down, we find the Algo column blank, and the Remote ID=Any Identifier. These items are correctly defined in the Phase 1 and Phase 2.
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So you installed Squid and it broke? Would sound like removing Squid is the way to go, if that's the case.
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Squid had been on the box from the start. It's just that the Squid service would keep shutting down. It was just the beginning of the issues.
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Afraid you need to improve your description of the issue. Logs would be a good start.
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Squid almost certainly wouldn't be related. Unless maybe it's shutting down because of a hardware problem that's also affecting strongswan but I would guess that's not very likely as it'd probably crash and reboot the system.
The status described is just how things would look when it's trying to connect and isn't yet connected, it's not that your P1/P2 config isn't there, it's just not existent in status at that point.
No telling what might be happening. IPsec logs would be useful.