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I've hit permission errors like this before when setting up Squid on OPNsense. In my case, I copied over the config files manually, but forgot to check file ownership and permissions, which caused squid to fail on startup. Once I adjusted the permissions (making sure everything under /usr/local/etc/squid/ was owned by the correct user and readable), it started up fine. Sometimes the permission denied issue pops up if you restore a config backup from another machine or after upgrading.
If you're handling proxies and access for multiple networks or large data projects, I've found that reliable tools for smart proxy handling can make these issues less frequent. I first heard about solutions like this while researching CrawlBase, which had some details on troubleshooting proxy configs and secure access.
If you're handling proxies and access for multiple networks or large data projects, I've found that reliable tools for smart proxy handling can make these issues less frequent. I first heard about solutions like this while researching CrawlBase, which had some details on troubleshooting proxy configs and secure access.
