pix防火墙几个比较有用的指令（Several useful instructions for the PIX Firewall）.docVIP

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pix防火墙几个比较有用的指令（Several useful instructions for the PIX Firewall）.doc

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pix防火墙几个比较有用的指令（Several useful instructions for the PIX Firewall）

pix防火墙几个比较有用的指令（Several useful instructions for the PIX Firewall） Show CPU usage PIX has only one CPU to do all the work, from processing packages to writing debug information to console. The CPU resource consuming process is encrypted, so if PIX to complete the encryption of the data package, it is best to use the card or special VPN Concentrator. log function is another process consumes a large amount of system resources. Therefore, it is recommended to shut down PIX to write log functionality to console, monitor, and buffer in normal circumstances. Pixfirewall# show CPU usage CPU utilization for 5 seconds = 1%; 1 minute: 2%; 5 minutes: 1% Show traffic This command shows how much traffic flows through PIX in a given amount of time. This particular time is the interval between the last execution of this command and the execution of this command. We can see the data flow of each interface. Pixfirewall# show traffic Outside: Received (in, 124.650, secs): 295468 packets 167218253 bytes 2370 pkts/sec 1341502 bytes/sec Transmitted (in, 124.650, secs): 260901 packets 120467981 bytes 2093 pkts/sec 966449 bytes/sec Inside: Received (in, 124.650, secs): 261478 packets 120145678 bytes 2097 pkts/sec 963864 bytes/sec Transmitted (in, 124.650, secs): 294649 packets 167380042 bytes 2363 pkts/sec 1342800 bytes/sec Show Perfmon This command monitors the flow and type of data that is checked by PIX. It can determine the transformation (xlates) and the number of connections (conn) per second on PIX. PERFMON STATS Current Average Xlates 18/s 19/s Connections 75/s 79/s TCP Conns 44/s 49/s UDP Conns 31/s 30/s URL Access 27/s 30/s URL, Server, Req, 0/s, 0/s TCP Fixup 1323/s 1413/s TCPIntercept 0/s 0/s HTTP Fixup 923/s 935/s FTP Fixup 4/s 2/s AAA Authen 0/s 0/s AAA Author 0/s 0/s AAA Account 0/s 0/s Among them, the more important a Xlates is created every second transform digital; Connections is the number of connections established; TCP Fixup PIX refers to the number of TCP packets per