2 articles tagged "echo request"

Send ICMP Nasty Garbage Packets to Network Hosts With sing Utility
Generally, I prefer to use nmap command for ICMP network scanning to probe all my network devices. By finding out unprotected devices you can improve network security and troubleshoot network problems. Recently, I discovered a cool utility called sing. It allows you to sends ICMP packets fully customized from command line. It allows you [...]
Linux Iptables allow or block ICMP ping request
The Internet Control Message Protocol (ICMP) has many messages that are identified by a “type” field. You need to use 0 and 8 ICMP code types.
=> Zero (0) is for echo-reply
=> Eight (8) is for echo-request.
To enable ICMP ping incoming client request use following iptables rule (you need to add following rules [...]

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