Unable to allow web traffic to flow though ironport s160|2219235 …
Unable to allow web traffic to flow though ironport s160 Hi I have an issue whereby my cisco ironport S160 webfilter is not allowing forwarded traff|2219235.
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Popular Questions
Why is an IronPort S160 unable to allow web traffic to flow through it?
Web traffic may be blocked because the proxy listener, access policy, or routing configuration is incorrect. Check that the listener is enabled on the expected interface and port, then confirm that client traffic is directed to that address. Review access logs and policy matches to identify whether the request is being denied or never reaching the appliance.
How can I troubleshoot web traffic that will not flow through an IronPort S160?
Begin by testing connectivity from a client to the IronPort S160 listener and verify that firewall rules permit the required proxy port. Confirm the appliance has a valid default route, reachable DNS servers, and connectivity to the destination web service. Packet captures and proxy transaction logs can show whether the failure occurs between the client, appliance, or Internet gateway.
Which IronPort S160 settings should be checked when web access is blocked?
Inspect the proxy listener settings, authentication requirements, access policies, and destination controls. Make sure the client subnet is included in an allow rule and that no identity, URL category, or malware policy is rejecting the request. Also verify that the appliance management and data interfaces are assigned correctly and that policy changes have been committed.