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Re: Error while writing to TCP socket: Permission denied

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On 07/06/17 22:54, Ишаяhу Ластов wrote:

I use squid on freebsd 10.3. When I set proxy adress in web brouser, I can't attach files to mail on mail.ru. Whithout proxy it works. In access.log there are no errors. In cache.log I've got:

|2017/05/29 21:12:16 kid1| local=217.151.68.36:34572 remote=217.69.139.216:443 FD 44 flags=1: read/write failure: (13) Permission denied 2017/05/29 21:12:16 kid1| local=217.151.68.36:36057 remote=217.69.139.216:443 FD 44 flags=1: read/write failure: (13) Permission denied |

FD can change If I understand right, how to use lson, then


FD in this case is an open network connection. Each TCP connection has exactly one FD in Squid. They get re-used like ports, but it should remain unchanged as long as the TCP connection exists. Another identical TCP connection made later may get a different FD.

> How can I solve that problem?


It is rather odd to have "Permission denied" (filesystem error!) on a network socket. The network equivalent is a failure to connect in the first place, or a sudden close event if already open. I suspect a bug in your OS kernel or whatever security system it has controlling access to system resources.

If this were Linux I would point at SELinux misconfiguration, but I'm not sure what (if anything) FreeBSD has doing that sort of control.


Sorry
Amos

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