2.34. IP_FLAG
These log messages refer to the IP_FLAG (Events concerning the IP header flags) category.
2.34.1. ttl_low (ID: 01600001)
Default Severity WARNING
Log Message Received packet with too low TTL of <ttl>. Min TTL is <ttlmin>.
Ignoring
Explanation The received packet has a TTL (Time-To-Live) field which is too low.
Ignoring and forwarding packet anyway.
Gateway Action ignore
Recommended Action None.
Revision 1
Parameters ttl
ttlmin
Context Parameters Rule Name
Packet Buffer
2.34.2. ip_rsv_flag_set (ID: 01600002)
Default Severity NOTICE
Log Message The IP Reserved Flag was set. Ignoring
Explanation The received packet has the IP Reserved Flag set. This is ignored.
Gateway Action ignore
Recommended Action None.
Revision 1
Context Parameters Rule Name
Packet Buffer
2.34.3. ip_rsv_flag_set (ID: 01600003)
Default Severity WARNING
Log Message The IP Reserved Flag was set, stripping
Explanation The received packet has the IP Reserved Flag set. Removing it.
Gateway Action strip_flag
Recommended Action None.
Chapter 2: Log Message Reference
423
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