These log messages refer to the IP_FLAG (Events concerning the IP header flags) category.
2.38.1. 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.
- Firewall Action
- ignore
- Recommended Action
- None
- Revision
- 1
- Parameters
- ttl
ttlmin
- Context Parameters
- Rule Name
Packet Buffer
2.38.2. 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.
- Firewall Action
- ignore
- Recommended Action
- None
- Revision
- 1
- Context Parameters
- Rule Name
Packet Buffer
2.38.3. 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.
- Firewall Action
- strip_flag
- Recommended Action
- None
- Revision
- 1
- Context Parameters
- Rule Name
Packet Buffer
2.38.4. hop_limit_low (ID: 01600004)
- Default Severity
- WARNING
- Log Message
- Received packet with too low HopLimit of <hoplimit>. Min HopLimit is <hoplimitmin>. Ignoring
- Explanation
- The received packet has a HopLimit field which is too low. Ignoring and forwarding packet anyway.
- Firewall Action
- ignore
- Recommended Action
- None
- Revision
- 1
- Parameters
- hoplimit
hoplimitmin
- Context Parameters
- Rule Name
Packet Buffer
cOS Core 14.00.17 Log Reference Guide
