On 9/14/10 1:00 PM, Mr Dash Four wrote: > >> I've written an example of how the FTP helper works at >> http://www.shorewall.net/FTP.html. Other helpers are similar. >> >> I have no direct experience with VOIP so there is no similar article on >> the Shorewall site concerning SIP. From the list it is clear that some >> people find that the SIP helpers actuall break VOIP (See Shorewall FAQ >> 77) while others claim that the SIP helpers are essential >> > I read the now famous FAQ 77 (this is actually what I have started > with), though I was hoping to get more help on the above modules > themselves and their integration into Shorewall - apart from specifying > the startup options (in the 'modules' file) is there anything in > particular that Shorewall uses to 'help' with such tracking or is it a > case of leaving this to the modules themselves after they are loaded?
The latter. Incidentally, if you have LOAD_HELPERS_ONLY=Yes in shorewall.conf, it is actually the /usr/share/shorewall/helpers file that lists the modules to be loaded. I'll add that to the shorewall-modules(5) manpage. > > This concept is new to me and although I had (rather vague) idea of how > ftp connections were tracked, voip is not the same (there are multiple > 'data' channels - so it is not just one). > > If this modules can help track my voip data connections I won't burden > myself implementing unnecessary rules and SELinux contexts - a big IF, I > know, hence why I'd like to learn more about these two modules. Is there > a more detailed help/reference about these somewhere? I just told you there is nothing on the Shorewall site, and you can use Google as well as any of us can. But please let us know if you find anything useful and I'll add a link on the site. -Tom -- Tom Eastep \ When I die, I want to go like my Grandfather who Shoreline, \ died peacefully in his sleep. Not screaming like Washington, USA \ all of the passengers in his car http://shorewall.net \________________________________________________
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