2.11. BLACKLIST

These log messages refer to the BLACKLIST (Blacklist events) category.

2.11.1. failed_to_write_list_of_blocked_hosts_to_media (ID: 04600001)

Default Severity
CRITICAL
Log Message
Failed to write list of blocked hosts to media
Explanation
Failed to write list of blocked hosts to media. The media might be corrupted.
Firewall Action
None
Recommended Action
Verify that the media is intact.
Revision
1

2.11.2. unable_to_allocate_static_entry (ID: 04600002)

Default Severity
WARNING
Log Message
Unable to allocate static entry for <host>
Explanation
Unable to allocate static entry. Unit is low on memory.
Firewall Action
no_block
Recommended Action
Review the configuration in order to free more RAM.
Revision
1
Parameters
host

2.11.3. unable_to_allocate_host_entry (ID: 04600003)

Default Severity
WARNING
Log Message
Unable to allocate dynamic entry for <host>
Explanation
Unable to allocate dynamic entry. Unit is low on memory.
Firewall Action
no_block
Recommended Action
Review the configuration in order to free more RAM.
Revision
1
Parameters
host

2.11.4. host_unblacklisted (ID: 04600004)

Default Severity
NOTICE
Log Message
Blacklist entry removed. Protocol: <proto>, Src Net: <srcnet>, Dst Net: <dstnet>, Port: <port>.
Explanation
A blacklist entry has been removed.
Firewall Action
None
Recommended Action
None
Revision
4
Parameters
proto
srcnet
dstnet
port

2.11.5. host_blacklisted (ID: 04600006)

Default Severity
NOTICE
Log Message
Blacklist entry added. Reason: <reason>, Protocol: <proto>, Src Net: <srcnet>, Dst Net: <dstnet>, Port: <port>.
Explanation
A blacklist entry was added.
Firewall Action
None
Recommended Action
None
Revision
4
Parameters
reason
proto
srcnet
dstnet
port

2.11.6. botnet_src_detected (ID: 04600010)

Default Severity
NOTICE
Log Message
Source IP <ipaddr> has a low IP Reputation score (<reputation>) and is associated with botnets.
Explanation
The source IP address has a low reputation and is associated with botnets. The dynamic blacklist will temporarily block all communcation with that address.
Firewall Action
blacklist
Recommended Action
None
Revision
2
Parameters
ipaddr
reputation
srcmac
destmac
Context Parameters
Rule Name
Packet Buffer

2.11.7. botnet_dst_detected (ID: 04600011)

Default Severity
NOTICE
Log Message
Destination IP <ipaddr> has a low IP Reputation score (<reputation>) and is associated with botnets.
Explanation
The destination IP address has a low reputation and is associated with botnets. The dynamic blacklist will temporarily block all communcation with that address.
Firewall Action
blacklist
Recommended Action
None
Revision
2
Parameters
ipaddr
reputation
srcmac
destmac
Context Parameters
Rule Name
Packet Buffer

2.11.8. dos_src_detected (ID: 04600020)

Default Severity
NOTICE
Log Message
Source IP <ipaddr> has a low IP Reputation score (<reputation>) and is associated with Denial of Service attacks.
Explanation
The source IP address has a low reputation and is associated with Denial of Service attacks. The dynamic blacklist will temporarily block all traffic from that address.
Firewall Action
blacklist
Recommended Action
None
Revision
2
Parameters
ipaddr
reputation
srcmac
destmac
Context Parameters
Rule Name
Packet Buffer

2.11.9. disallowed_src_geo_detected (ID: 04600021)

Default Severity
NOTICE
Log Message
Source IP <ipaddr> originates from disallowed region <region>.
Explanation
The source IP address originates from a geographical region that is not allowed according to the configuration. The dynamic blacklist will temporarily block all traffic from that address.
Firewall Action
blacklist
Recommended Action
None
Revision
1
Parameters
ipaddr
region
Context Parameters
Rule Name
Packet Buffer

2.11.10. scanner_src_detected (ID: 04600030)

Default Severity
NOTICE
Log Message
Source IP <ipaddr> has a low IP Reputation score (<reputation>) and is associated with malicious scanner activity.
Explanation
The source IP address has a low reputation and is associated with malicious scanner activity. The dynamic blacklist will temporarily block all traffic from that address.
Firewall Action
blacklist
Recommended Action
None
Revision
2
Parameters
ipaddr
reputation
srcmac
destmac
Context Parameters
Rule Name
Packet Buffer

2.11.11. spam_src_detected (ID: 04600031)

Default Severity
NOTICE
Log Message
Source IP <ipaddr> has a low IP Reputation score (<reputation>) and is associated with malicious spam activity.
Explanation
The source IP address has a low reputation and is associated with malicious spam activity. The dynamic blacklist will temporarily block all traffic from that address.
Firewall Action
blacklist
Recommended Action
None
Revision
1
Parameters
ipaddr
reputation
srcmac
destmac
Context Parameters
Rule Name
Packet Buffer

2.11.12. phishing_src_detected (ID: 04600032)

Default Severity
NOTICE
Log Message
Source IP <ipaddr> has a low IP Reputation score (<reputation>) and is associated with malicious phishing activity.
Explanation
The source IP address has a low reputation and is associated with malicious phishing activity. The dynamic blacklist will temporarily block all traffic from that address.
Firewall Action
blacklist
Recommended Action
None
Revision
1
Parameters
ipaddr
reputation
srcmac
destmac
Context Parameters
Rule Name
Packet Buffer

2.11.13. malformed_request (ID: 04600040)

Default Severity
WARNING
Log Message
Malformed request sent to the blacklist handler in REST API
Explanation
The request was malformed, parameter missing, out of range or too long.
Firewall Action
None
Recommended Action
Review request data against documention.
Revision
1