https://ircgod.com/tags/arp/ Recent content in Arp on ./ircgod.com Hugo en-US Sun, 24 Jul 2022 08:50:57 +0200 https://ircgod.com/posts/arpmess/ Sun, 24 Jul 2022 08:50:57 +0200 https://ircgod.com/posts/arpmess/ <p>HA = Hardware address aka mac address<br> PA = Protocol address (ipv4 in our case)<br> MITM = man in the middle</p> <p>ARP (Address Resolution Protocol) is an OSI layer 2/3 protocol which links ipv4 addresses to mac addresses in local network.<br> In ipv6 network, ARP has been replaced by NDP (insecure by default) but <a href="https://en.wikipedia.org/wiki/Secure_Neighbor_Discovery">security extension</a> can be apply on top of the protocol to harden it against attacks.</p> <p>In ARP, there are 2 packets type:</p>