Messages in this thread | | | Date | Fri, 12 Aug 2011 17:37:32 +0200 | From | Antonin Steinhauser <> | Subject | Re: TCP port firewall incl. description and english variable names |
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OK Dne 12.8.2011 17:34, Eric Dumazet napsal(a): > Le vendredi 12 août 2011 à 17:10 +0200, Tonda a écrit : > >> Module that is used to open, close or filter specified TCP port by >> sending certain sequence of UDP packets to predefined UDP ports >> (password-like firewall). One sequence of UDP ports is the opening key >> and sending packets successively to them opens the TCP port and the >> second sequence of UDP ports is the closing key and sending packets >> successively to them closes the TCP port. If between two UDP packets >> in the sequence comes more than 16 another UDP packets, the sequence >> (either opening or closing) is aborted. The configuration and view of >> affected TCP port, opening and closing key and other firewall >> parameters is made throw use of sysfs. >> >> Signed-off-by: Antoine Steinhauser<as@strmilov.cz> >> > Antoine > > There is no chance this can be added in official linux kernel, its > really too ugly, and can be implemented using standard iptables rules, > and userland controller, adding encryption and other high level stuff if > needed. > > > > >
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