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| author | Thomas Habets <thomas@habets.pp.se> | 2002-01-20 19:19:45 +0000 |
|---|---|---|
| committer | Thomas Habets <thomas@habets.pp.se> | 2002-01-20 19:19:45 +0000 |
| commit | a84aa0ea2d644c1d85dec6c5932c0e00d8bd11cd (patch) | |
| tree | 12c0eb664fc2ec570ab5a7145fa647786081773a /README | |
| parent | 3dd35f2bfa3d4b0a438a136230e5ceff316cb630 (diff) | |
| download | arping-a84aa0ea2d644c1d85dec6c5932c0e00d8bd11cd.tar.gz | |
Rountrip time
Diffstat (limited to 'README')
| -rw-r--r-- | README | 35 |
1 files changed, 31 insertions, 4 deletions
@@ -1,8 +1,8 @@ -$Id: README 425 2001-09-09 14:43:02Z marvin $ +$Id: README 529 2002-01-20 19:19:45Z marvin $ ARP Ping - By Marvin (marvin@rootbusters.net) + By Thomas Habets <thomas@habets.pp.se> Introduction @@ -118,6 +118,20 @@ Q: 1.01 is out, didn't you just say 1.0 was supposed to be the last one? A: Shut up. --- +Q: The roundtrip times are off, sometimes by milliseconds! + +A: I know. + Short answer: + 'ping' does the same thing. (ping from iputils-ss010824 anyway) + + Long answer: + I can't (portably anyway) do anything other than queue a packet + to the network. That means I don't know exactly when it arrived. Also, + I can't tell when a packet arrives on the wire, only when arping gets + it from the kernel. Just make sure neither the network (whole segment + if you are hubbed, just your NIC if you are switched) nor your box is + loaded when you care about timing. +--- Q: Is it OK to make arping suid root? A: Be my guest, but if care about security *at all* you will have to restrict @@ -126,6 +140,9 @@ A: Be my guest, but if care about security *at all* you will have to restrict a network debugging tool, which generates low-level network packets that ordinary users have absolutely no business generating. + For example, I don't protect against an ALRM signal flood, which will result + in a packet flood. + If you are honestly debugging the network then I don't see why you aren't root already. @@ -142,14 +159,24 @@ A: Ah, I see. A broadcast was changed to unicast, I don't know why I set it to ... Or you can run arping -s ff:ff:ff:ff:ff:ff <host>. If this fixes it please LET ME KNOW. --- +Q: Hey! Wasn't this Marvins program? (marvin@rootbusters.net, that is) + You thief! + +A: We are the same person. +--- Q: Say hi to Psychad for me. A: Will do. --- +Misc +---- +There, I added the stupid roundtrip time feature. Now I dare you to think of +any other applicable features. (IPv4 only, for now) + License ------- It's GPL, see the LICENSE file. -------------------------------------------------------------------------------- -Send questions/suggestions/patches/rants/money/sparcs to marvin@rootbusters.net +---------------------------------------------------------------------------- +Send questions/suggestions/patches/rants/money/sparcs to thomas@habets.pp.se |