Appendix D Firewall Log Formats
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1 Appendix D Firewall Log Formats Action List Drop: Reset: Forward: Receive: Packet dropped by Firewall current inbound or outbound rules. TCP session reset by Firewall. Packet forwarded by Firewall to the next hop based on matching the criteria in the rules table. Packet was permitted by the firewall rules and modified prior to being forwarded and/or replied to. Field List <DATE><TIME>: Log's date and time <EVENT>: Event is that access the device or access other host via the device <PKT_TYPE>: Packet type pass Firewall <SRC_IP><DST_IP>: IP address in the packet <SRC_PORT><DST_PORT>: Port in the packet <SRC_INF><DST_INF>: Include `LAN` and `WAN` (optional) <ACTION>: As `Action List` referenced <DESCRIPTION>: A complement to the log (optional) <DIRECTION>: Inbound and Outbound <SERVICE>: Firewall costumed service Outbound Log Outgoing packets that match the Firewall rules are logged. Firewall Log Formats D-1
2 <DATE> <TIME> <PKT_TYPE> <SRC_IP> <SRC_INF> <DST_IP > <DST_INF> <ACTION><DESCRIPTION> [Fri, :19:42] - UDP Packet - Source: ,138,WAN - Destination: ,138,LAN [Drop] - [Inbound Default rule match] [Fri, :35:04] - TCP Packet - Source: ,34239,WAN - Destination: ,21[FTP Control],LAN [Forward] - [Inbound Rule(1) match] [Fri, :35:11] - UDP Packet - Source: ,138,WAN - Destination: ,138,LAN [Forward] - [Inbound Rule(1) not match] SRC_INF = WAN DST_INF = LAN DESCRIPTION = "Inbound rule match", "Inbound Default rule match" PKT_TYPE = "UDP packet", "TCP connection", "ICMP packet" Inbound Log Incoming packets that match the Firewall rules are logged. <DATE> <TIME> <PKT_TYPE> <SRC_IP> <SRC_INF> <DST_IP > <DST_INF> <ACTION><DESCRIPTION> [Fri, :59:56] - ICMP Packet [Echo Request] - Source: ,LAN - Destination: ,WAN [Forward] - [Outbound Default rule match] [Fri, :00:58] - ICMP Packet [Echo Request] - Source: ,LAN - Destination: ,WAN [Forward] - [Outbound Default rule match] [Fri, :02:30] - TCP Packet - Source: ,3472,LAN - Destination: ,80[HTTP],WAN [Forward] - [Outbound Default rule match] SRC_INF = LAN DST_INF = WAN DESCRIPTION = "Outbound rule match", "Outbound Default rule match" PKT_TYPE = "UDP packet", "TCP connection", "ICMP packet" Other IP Traffic Some special packets matching the Firewall rules, like VPN connection, etc. are logged. D-2 Firewall Log Formats
![168.0.10,21[FTP Control],LAN [Forward] - [Inbound Rule(1) match] [Fri, 2003-12-](/docs-images/44/17297711/images/page_2.jpg "05 22:35:11] - UDP Packet - Source:172.31.12.")
3 <DATE><TIME><PKT_TYPE>< SRC_IP><SRC_PORT ><SRC_INF>< DST_IP><DST_PORT ><DST_PORT><ACTION><DESCRIPTION> <DATE><TIME> <PKT_TYPE> <SRC_IP> <SRC_INF> <DST_IP> <DST_INF> <ACTION> <DESCRIPTION> [Wed, :43:28] - IPSEC Packet - Source: , WAN - Destination: ,80[HTTP] LAN - [Drop] [VPN Packet] [Wed, :44:50] - IP Packet [Type Field: 321] - Source [Drop] DESCRIPTION = "VPN Packet" PKT_TYPE = "GRE", "AH", "ESP", "IP packet [Type Field: Num]", "IPSEC" ACTION = "Forward", "Drop" Router Operation Operations that the router initiates are logged. <DATE><TIME><EVENT> [Wed, :30:59] - Log ed [Wed, :38:31] - NETGEAR activated [Wed, :42:01] - NTP Reply Invalid <DATE><TIME><EVENT><DST_IP> <DATE><TIME><EVENT><SRC_IP> [Wed, :32:33] - Send out NTP Request to [Wed, :35:27] - Receive NTP Reply from Firewall Log Formats D-3
4 Other Connections and Traffic to this Router <DATE><TIME>< PKT_TYPE ><SRC_IP><DST_IP><ACTION> [Fri, :31:27] - ICMP Packet[Echo Request] - Source: Destination: [Receive] [Wed, :34:56] - ICMP Packet[Type: 238] - Source: Destination: [Drop] [Fri, :59:56] - ICMP Packet[Echo Request] - Source: Destination: [Receive] <DATE><TIME><EVENT>< SRC_IP><SRC_PORT ><SRC_INF>< DST_IP><DST_PORT><DST_INF><ACTION> [Wed, :24:23] - UDP Packet - Source: WAN - Destination: ,1234 LAN - [Drop] [Wed, :48:09] - TCP Packet[SYN] - Source: ,65534 WAN - Destination: ,1765 LAN - [Receive] [Fri, :07:11] - IP Packet [Type Field:8], from to [Drop] ACTION = "Drop", "Receive" EVENT = "ICMP Packet", "UDP Packet", "TCP Packet", "IP Packet" DoS Attack/Scan Common attacks and scans are logged. D-4 Firewall Log Formats
![46.130.100 WAN - Destination: 10.10.10.4,1234 LAN - [Drop] [Wed, 2003-07-30 17:48:09] - TCP Packet[SYN] - Source: 64.3.3.201,65534 WAN - Destination: 10.10.10.4,1765 LAN - [Receive] [Fri, 2003-12-05 22:07:11] - IP Packet [Type Field:8], from 20.](/docs-images/44/17297711/images/page_4.jpg "97.173.18 to 172.31.12.157 - [Drop] ACTION = \"Drop\", \"Receive\" EVENT = \"ICMP Packet\", \"UDP Packet\", \"TCP Packet\", \"IP Packet\" DoS Attack/Scan Common attacks and scans are logged.")
5 <DATE><TIME><PKT_TYPE>< SRC_IP><SRC_PORT ><SRC_INF>< DST_IP><DST_PORT ><DST_PORT><ACTION><DESCRIPTION> <DATE> <TIME> <PKT_TYPE> <SRC_IP> <SRC_INF> <DST_IP> <DST_INF> <ACTION> <DESCRIPTION> [Fri, :22:07] - TCP Packet - Source: ,54611,WAN - Destination: ,134,LAN [Drop] - [FIN Scan] [Fri, :22:38] - TCP Packet - Source: ,59937,WAN - Destination: ,670,LAN [Drop] - [Nmap Xmas Scan] [Fri, :23:06] - TCP Packet - Source: ,39860,WAN - Destination: ,18000,LAN [Drop] - [Null Scan] [Fri, :27:55] - TCP Packet - Source: ,38009,WAN - Destination: ,15220,LAN [Drop] - [Full Sapu Scan] [Fri, :28:56] - TCP Packet - Source: ,35128,WAN - Destination: ,38728,LAN [Drop] - [Full Xmas Scan] [Fri, :30:30] - IP Packet - Source: ,WAN - Destination: ,LAN [Drop] - [Fragment Attack] [Fri, :30:30] - IP Packet - Source: ,WAN - Destination: ,LAN [Drop] - [Targa3 Attack] [Fri, :30:30] - TCP Packet - Source: ,37860,WAN - Destination: ,63881,LAN [Drop] - [Vecna Scan] [Fri, :30:31] - ICMP Packet [Type 238] - Source: ,WAN - Destination: ,LAN [Drop] - [ICMP Flood] [Fri, :33:52] - UDP Packet - Source: ,0,WAN - Destination: ,0,LAN [Drop] - [Fragment Attack] [Fri, :20:00] - TCP Session - Source: ,58595,LAN - Destination: ,20[FTP Data],WAN [Reset] - [SYN Flood] [Fri, :21:22] - UDP Packet - Source: ,7,LAN - Destination: ,7,WAN [Drop] - [UDP Flood] [Fri, :59:08] - ICMP Echo Request packet - Source: ,LAN - Destination: ,WAN [Drop] - [ICMP Flood] [Fri, :07:29] - TCP Packet - Source: ,1725,LAN - Destination: ,1352,WAN [Drop] - [TCP incomplete sessions overflow] [Fri, :11:24] - TCP Packet - Source: ,2342,LAN - Destination: ,1352,WAN [Drop] - [First TCP Packet not SYN] DESCRIPTION = "SYN Flood", "UDP Flood", "ICMP Flood", "IP Spoofing", "TearDrop", "Brute Force", "Ping of Death", "Fragment Attack", "Targa3 Attack", "Big Bomb" "SYN with Data", "Full Xmas Scan", "Full Head Scan", "Full Sapu Scan", "FIN Scan", "SYN FIN Scan", "Null Scan", "Nmap Xmas Scan", "Vecna Scan", "Tcp SYN RES Set", "Other Scan" "TCP incomplete sessions overflow", "TCP preconnect traffic", "TCP invalid traffic", "First TCP Packet not SYN", "First TCP Packet with no SYN" <DATE><TIME><PKT_TYPE>< SRC_IP >< DST_IP><ACTION> [Wed, :45:17] - TCP Packet [Malformed, Length=896] - Source: Destination: [Drop] [Wed, :45:17] - TCP Packet [Malformed, Length=1000] - Source: Destination: [Forward] PKT_TYPE = "TCP", "UDP", "ICMP", "Proto: Number" Firewall Log Formats D-5
![31.12.157,670,LAN [Drop] - [Nmap Xmas Scan] [Fri, 2003-12-05 21:23:06] - TCP Packet - Source:172.31.12.156,39860,WAN - Destination:172.31.12.157,18000,LAN [Drop] - [Null Scan] [Fri, 2003-12-05 21:27:55] - TCP Packet - Source:172.](/docs-images/44/17297711/images/page_5.jpg "31.12.156,38009,WAN - Destination:172.31.12.157,15220,LAN [Drop] - [Full Sapu Scan] [Fri, 2003-12-05 21:28:56] - TCP Packet - Source:172.31.12.156,35128,WAN - Destination:172.31.12.157,38728,LAN [Drop] - [Full Xmas Scan] [Fri, 2003-12-05 21:30:30] - IP Packet - Source:227.")
6 Access Block Site If keyword blocking is enabled and a keyword is specified, attempts to access a site whose URL contains a specified keyword are logged. The format is <DATE> <TIME> <EVENT> <SRC_IP> <SRC_INF> <DST_IP> <DST_INF> <ACTION> [Fri, :01:47] - Attempt to access blocked sites - Source: ,LAN - Destination: - [Drop] EVENT = Attempt to access blocked sites SRC_INF = LAN DST_INF = WAN All Web Sites and News Groups Visited All Web sites and News groups that you visit are logged. The format is <DATE> <TIME> <EVENT> <SRC_IP> <SRC_INF> <DST_IP> <DST_INF> <ACTION> [Fri, :03:49] - Access site - Source: ,LAN - Destination:euro.allyes.com,WAN - [Forward] EVENT = Attempt to access blocked sites SRC_INF = LAN or WAN DST_INF = WAN or LAN System Admin Sessions Administrator session logins and failed attempts are logged, as well as manual or idle-time logouts. D-6 Firewall Log Formats
![com/,WAN - [Drop] EVENT = Attempt to access blocked sites SRC_INF = LAN DST_INF = WAN All Web Sites and News Groups Visited All Web sites and News groups that you visit are logged.](/docs-images/44/17297711/images/page_6.jpg "The format is <DATE> <TIME> <EVENT> <SRC_IP> <SRC_INF> <DST_IP> <DST_INF> <ACTION> [Fri, 2003-12-05 23:03:49] - Access site - Source:192.168.0.10,LAN - Destination:euro.allyes.")
7 <DATE><TIME><EVENT ><SRC_IP> <DATE><TIME><EVENT ><SRC_IP><SRC_PORT><DST_IP><DST_PORT><ACTION> [Fri, :07:43] - Administrator login successful - IP: [Fri, :09:16] - Administrator logout - IP: [Fri, :09:31] - Administrator login fail, Username error - IP: [Fri, :09:25] - Administrator login fail, Password error - IP: [Fri, :16:15] - Login screen timed out - IP: [Fri, :07:43] - Administrator Interface Connecting[TCP] - Source , Destination ,80 - [Receive] ACTION: Receive or Drop Policy Administration LOG <DATE> <TIME> <EVENT> <DIRECTION> <SERVICE>< DESCRIPTION > [Fri, :48:41] - Administrator Action - Inbound Policy to Service [BGP] is Added [Fri, :49:41] - Administrator Action - Outbound Policy to Service [BGP] is Added [Fri, :50:14] - Administrator Action - Inbound Policy to Service [BGP] is Modified [Fri, :50:57] - Administrator Action - Outbound Policy to Service [BGP] is Modified [Fri, :51:14] - Administrator Action - Inbound Policy to Service [BGP] is Deleted [Fri, :52:12] - Administrator Action - Inbound Policy to Service [BGP] is Moved to Index [0] [Fri, :54:41] - Administrator Action - Outbound Policy to Service [FTP] is Moved to Index [1] [Fri, :01:47] - Administrator Action - Inbound Policy to Service [BGP] is changed to Disable [Fri, :02:14] - Administrator Action - Inbound Policy to Service [BGP] is changed to Enable [Fri, :02:35] - Administrator Action - Outbound Policy to Service [NFS] is changed to Disable [Fri, :02:52] - Administrator Action - Outbound Policy to Service [NFS] is changed to Enable DIRECTION: Inbound or Outbound SERVICE: Supported service name Firewall Log Formats D-7
8 D-8 Firewall Log Formats
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