Wireshark capture localhost traffic1/7/2023 Run RawCap on command prompt and select the Loopback Pseudo-Interface (127.0.0.1) then just write the name of the packet capture file (.pcap) A simple demo is as below C:\Users\Levent\Desktop\rawcap>rawcap Interfaces: 0. In similar lines, let’s try to generate and capture the SSH packets from the loopback interface: $ ssh localhostĠ6:30:52.419160 IP localhost.43398 > localhost. You cannot capture packets for Local Loopback in Wireshark however, you can use a very tiny but useful program called RawCap RawCap. In the first session, we initiate the packet capture on the loopback interface, then we will execute a simple ping to localhost: $ ping -c 1 localhostĠ6:24:36.453843 IP localhost > localhost: ICMP echo request, id 19865, seq 1, length 64Ġ6:24:36.453854 IP localhost > localhost: ICMP echo reply, id 19865, seq 1, length 64 If we want to monitor the packets from the specific interface, we can use option -i.įor the sake of demonstration, let’s open two PuTTY sessions. Tcpdump has many options to parse, search and filter the network interface traffic.
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