tcpdrop(8) for DragonFly
andre at digirati.com.br
Sat Nov 13 14:10:34 PST 2004
tcpdrop is an utility that shipped with OpenBSD 3.6. As the name
indicates, it can be used to drop a TCP connection from the command line,
which can be useful during denial of service attacks, or if some
connection is causing congestion on a link.
The patch at
adds the "net.inet.tcp.drop" and "net.inet6.tcp6.drop" sysctls. I don't
have how to test the inet6 one, so I just based it on the other existing
sysctls. The inet4 one worked fine.
The code for the tcpdrop utility is at
These are the corresponding commit messages on OpenBSD:
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