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Cisco ASA and PIX Firewall Handbook by Dave Hucaby

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B-4. Warnings—Syslog Severity Level 4 Messages

Table B-4 lists all the severity level 4 logging messages, along with their message numbers and text. All the messages supported by PIX OS releases 6.3 and 7.0, as well as FWSM 2.3, are shown.

Table B-4. Severity 4 (Warnings) Logging Messages
%PIX-4-106023Deny protocol src [interface_name:source_address/source_port] dst interface_name:dest_address/dest_port [type {string}, code {code}] by access_group acl_ID.
%PIX-4-106027Failed to determine the security context for the packet:vlansource Vlan#:ethertype src sourceMAC dst destMAC. (7.0)
%PIX-4-106101Maximum number of ACL denied flows reached.
%PIX-4-109017User at IP_address exceeded auth proxy connection limit (max).
%PIX-4-109022Exceeded HTTPS proxy process ...

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