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HTTP Proxy Stops Responding

strsmatt
Hello

I've opened a case with Sophos premium support, but I thought I'd post the problem here as well to see if anyone has any suggestions.

A few times per day we're getting "Proxy server not responding". I managed to catch it in the live log today, and this is the last few lines before it stops responding:

2015:04:27-11:40:34 sophosutm httpproxy[5759]: id="0003" severity="info" sys="SecureWeb" sub="http" request="(nil)" function="parse_address" file="util.c" line="464" message="getaddrinfo: passthrough6.fw-notify.net: Name or service not known"
2015:04:27-11:40:34 sophosutm httpproxy[5759]: id="0003" severity="info" sys="SecureWeb" sub="http" request="(nil)" function="confd_config_filter" file="confd-client.c" line="3384" message="failed to resolve passthrough6.fw-notify.net, using 2a01:198:200:680::8080"
2015:04:27-11:40:34 sophosutm httpproxy[5759]: id="0003" severity="info" sys="SecureWeb" sub="http" request="(nil)" function="read_request_headers" file="request.c" line="1567" message="Read error on the http handler 1746 (Input/output error)"
2015:04:27-11:40:34 sophosutm httpproxy[5759]: id="0003" severity="info" sys="SecureWeb" sub="http" request="(nil)" function="read_request_headers" file="request.c" line="1567" message="Read error on the http handler 971 (Input/output error)"
2015:04:27-11:40:34 sophosutm httpproxy[5759]: id="0003" severity="info" sys="SecureWeb" sub="http" request="(nil)" function="read_request_headers" file="request.c" line="1567" message="Read error on the http handler 448 (Input/output error)"
2015:04:27-11:40:34 sophosutm httpproxy[5759]: id="0003" severity="info" sys="SecureWeb" sub="http" request="(nil)" function="confd_network_filter" file="confd-client.c" line="1851" message="failed to get network: Operation not permitted (req=[{ "id": 399308, "method": "get_object", "params": [ "" ] }])"
..... [few more of the same]
2015:04:27-11:40:37 sophosutm httpproxy[5759]: id="0003" severity="info" sys="SecureWeb" sub="http" request="(nil)" function="aptp_reload" file="aptpscanner.c" line="133" message="reloading ATP pattern"


Clients are configured to use the utm as a proxy, and transparently, but both have problems.

Any ideas appreciated!

Matt


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    2015:04:27-11:40:34 sophosutm httpproxy[5759]: id="0003" severity="info" sys="SecureWeb" sub="http" request="(nil)" function="confd_network_filter" file="confd-client.c" line="1851" message="failed to get network: Operation not permitted (req=[{ "id": 399308, "method": "get_object", "params": [ "" ] }])"
    About 6 lines of these is what I get right before the crash/connection losses,
    To me, it looked like the cause, but I am not sure
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    2015:04:27-11:40:34 sophosutm httpproxy[5759]: id="0003" severity="info" sys="SecureWeb" sub="http" request="(nil)" function="confd_network_filter" file="confd-client.c" line="1851" message="failed to get network: Operation not permitted (req=[{ "id": 399308, "method": "get_object", "params": [ "" ] }])"
    About 6 lines of these is what I get right before the crash/connection losses,
    To me, it looked like the cause, but I am not sure
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