A class which sends an ARP Request to know if a host is online on local networks
ArpRequest is a Python module designed to make an ARP gratuitous request to know if a host is online. It acts on OSI model’s level 2 unlike icmp echo (ping), so, you can use it without IP configuration, or to “ping” an host in other IP network. However, you can only use it on local networks.
>>> from arprequest import ArpRequest >>> ar = ArpRequest('10.0.0.1', 'eth0') >>> ar.request() True >>> ar2 = ArpRequest('10.0.0.123', 'eth0') # 10.0.0.123 doesen't exist >>> ar2.request() False
You can now select type of ARP request. This is done with “arp_type” argument of ArpRequest class. You can use arprequest.ARP_GRATUITOUS to make an ARP Gratuitous request (what is currently done) or use arprequest.ARP_STANDARD to do a standard ARP request.
This option was created to use this library with systems which are configured to block Arp Gratuitous.
- ArpRequest work only on unix or unix-like platforms because it uses unix signals.
- ArpRequest work only as root, because it uses raw sockets.
- Module is commented in french. I will translate comments in english, some day…
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