![]() ![]() Email (SMTP, POP, and IMAP)-ports 25, 110, and 143.You can specify more than one port in the Common ports list by pressing Ctrl while you make your selections: To restrict the captured packets to those that are from or to specific hosts, enter a comma-separated list of IP addresses or fully qualified domain names.ĭisplay only packets for which the source or destination port number matches the specified ports. You can restrict the traffic that you capture to the TCP or UDP protocol, or capture both. If your appliance is single-homed, only traffic through the internal interface is captured. If you select Both, traffic from both the internal and external interfaces is captured in a single file (the traffic from eth0 and eth1 are in separate raw data files within the resulting. You can filter the network traffic you capture based on the appliance’s physical interfaces. Filtering the network traffic helps make the capture files more manageable. The captured data can also be e-mailed to Technical Support if you need help diagnosing appliance issues. Use this utility-which is based on tcpdump-to capture all or part of your network traffic and save it on the appliance for later analysis using a network protocol analyzer, such as Wireshark.
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