If you don't want rcon at all, just don't open the port in your firewall ;)
rcon uses the same TCP port as the gameserver does UDP port (ie if the game
is running on 27015 UDP, the rcon port is 27015 TCP)

> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:hlds_linux-
> [EMAIL PROTECTED] On Behalf Of Crazy Canucks
> Sent: 23 November 2008 23:55
> To: Half-Life dedicated Linux server mailing list
> Subject: Re: [hlds_linux] RCON banpenalty killing servers!
> 
> Ah sorry, I'm a bit new to the Source/Orangebox engines.  I'm going to
> have to check this out on my Source servers, as I have all of them set
> that way... :\
> 
> Drek
> 
> Pawel wrote:
> > Yep, in half life 1 engine it works with rcon_password "" but in hl2
> engine
> > games when you have rcon_password "" it also says bad rcon password
> > blablabla and person can crash server :/
> >
> > On Mon, Nov 24, 2008 at 12:15 AM, Crazy Canucks
> <[EMAIL PROTECTED]>wrote:
> >
> >
> >> As far as I know all you need to do to block rcon is set the rcon
> >> password to "" in your server.cfg [rcon_password  ""].  I know that
> used
> >> to be the recommended practice anyway due to other rcon exploit
> issues.
> >> If I need to use rcon, I use AMX Mod X or SourceMod to access it,
> >> depending on which game I am running.
> >>
> >> Cheers, Drek
> >>
> >> Pawel wrote:
> >>
> >>> Somebody from valve will coment it?
> >>> I'm not alone with this problem.
> >>>
> >>> Is there any option to block rcon on my server?
> >>>
> >>> On Sun, Nov 23, 2008 at 1:42 PM, AnAkIn . <[EMAIL PROTECTED]>
> wrote:
> >>>
> >>>
> >>>
> >>>> I didn't know it was also in CSS, the changelog thing I posted is
> from
> >>>>
> >> TF2.
> >>
> >>>> I guess you'll have to wait for CSS to be updated on the new
> engine to
> >>>>
> >> have
> >>
> >>>> a fix.
> >>>>
> >>>> 2008/11/23 ics <[EMAIL PROTECTED]>
> >>>>
> >>>>
> >>>>
> >>>>> This still isnt fixed for CS Source. I can confirm this and i
> also
> >>>>>
> >> would
> >>
> >>>>> like to point out that this was discussed months ago here but
> Valve
> >>>>> didnt fix it for CSS.
> >>>>>
> >>>>> -ics
> >>>>>
> >>>>> Pawel kirjoitti:
> >>>>>
> >>>>>
> >>>>>> look that is from my console:
> >>>>>>
> >>>>>> rcon from "83.31.205.174:1581": Bad Password
> >>>>>> rcon from "83.31.205.174:1581": Bad Password
> >>>>>> rcon from "83.31.205.174:1581": Bad Password
> >>>>>> rcon from "83.31.205.174:1581": Bad Password
> >>>>>> rcon from "83.31.205.174:1581": Bad Password
> >>>>>> rcon from "83.31.205.174:1581": Bad Password
> >>>>>> rcon from "83.31.205.174:1581": Bad Password
> >>>>>> rcon from "83.31.205.174:1581": Bad Password
> >>>>>> rcon from "83.31.205.174:1581": Bad Password
> >>>>>> rcon from "83.31.205.174:1581": Bad Password
> >>>>>> rcon from "83.31.205.174:1581": Bad Password
> >>>>>> rcon from "83.31.205.174:1581": Bad Password
> >>>>>> rcon from "83.31.205.174:1581": Bad Password
> >>>>>> rcon from "83.31.205.174:1581": Bad Password
> >>>>>> rcon from "83.31.205.174:1581": Bad Password
> >>>>>> rcon from "83.31.205.174:1581": Bad Password
> >>>>>> rcon from "83.31.205.174:1581": Bad Password
> >>>>>> rcon from "83.31.205.174:1581": Bad Password
> >>>>>> rcon from "83.31.205.174:1581": Bad Password
> >>>>>> rcon from "83.31.205.174:1581": Bad Password
> >>>>>> Game will not start until both teams have players.
> >>>>>> ./srcds_run: line 345:  4401 Segmentation fault      $HL_CMD
> >>>>>> Add "-debug" to the ./srcds_run command line to generate a
> debug.log
> >>>>>>
> >> to
> >>
> >>>>> help
> >>>>>
> >>>>>
> >>>>>> with solving this problem
> >>>>>> Sun Nov 23 12:58:06 CET 2008: Server restart in 10 seconds
> >>>>>>
> >>>>>>
> >>>>>> On Sun, Nov 23, 2008 at 1:04 PM, Pawel <[EMAIL PROTECTED]> wrote:
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>> My server is updated and i still can crash it by simple faile
> rcon
> >>>>>>> commands, clear server without mods :>
> >>>>>>>
> >>>>>>> rcon xxx few times and server is banning me and also crashing
> :/
> >>>>>>>
> >>>>>>>
> >>>>>>> On Sun, Nov 23, 2008 at 9:22 AM, AnAkIn . <[EMAIL PROTECTED]>
> >>>>>>>
> >>>>>>>
> >>>> wrote:
> >>>>
> >>>>
> >>>>>>>> Well, that should have been fixed a while ago already.
> >>>>>>>>
> >>>>>>>> "Fixed rcon crash caused by too many incorrect password
> attempts"
> >>>>>>>>
> >>>>>>>> 2008/11/23 Pawel <[EMAIL PROTECTED]>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>> When valve will fix it?
> >>>>>>>>>
> >>>>>>>>> On Mon, Jul 7, 2008 at 10:21 PM, Claes <[EMAIL PROTECTED]> wrote:
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>> Sure, no 'side effects'. Only that, it blocks rcon access to
> >>>>>>>>>>
> >>>>>>>>>>
> >>>> server.
> >>>>
> >>>>
> >>>>>>>> UDP
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>>> port 27015 must be open for users to play the game.
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>> Vladimir Osipenko wrote:
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>> are you sure that bloking 27015 tcp port solves the problem
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>> without
> >>>>
> >>>>
> >>>>>>>>>> making
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>> any other damage?
> >>>>>>>>>>>
> >>>>>>>>>>> 2008/7/8 Claes <[EMAIL PROTECTED]>:
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>> I have 5 servers running and some stupid kid is killing
> our
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>> servers.
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>>>>> Constantly. Bad thing is, the log is not yet fully written
> when
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>> server
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>>>>> crashes, so I have no clue who that ***hole is.
> >>>>>>>>>>>>
> >>>>>>>>>>>> I have blocked access to tcp port 27015 for now. Is there
> >>>>>>>>>>>>
> >> another
> >>
> >>>>>>>>>>>> workaround available?
> >>>>>>>>>>>>
> >>>>>>>>>>>> Vladimir Osipenko wrote:
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>> Hi folks,
> >>>>>>>>>>>>> i  have noticed such  bug:
> >>>>>>>>>>>>> when you enter you rcon password incorrectly more times
> then
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>> specified
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>> in
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>>>> server.cfg your server dies. That bug kill loads of
> servers i
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>> tested.
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>>> Is
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>>>> there any solution?
> >>>>>>>>>>>>> _______________________________________________
> >>>>>>>>>>>>> To unsubscribe, edit your list preferences, or view the
> list
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>> archives,
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>>>> please visit:
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>> http://list.valvesoftware.com/mailman/listinfo/hlds_linux
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>> _______________________________________________
> >>>>>>>>>>>> To unsubscribe, edit your list preferences, or view the
> list
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>> archives,
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>>>>> please visit:
> >>>>>>>>>>>> http://list.valvesoftware.com/mailman/listinfo/hlds_linux
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>> _______________________________________________
> >>>>>>>>>>> To unsubscribe, edit your list preferences, or view the
> list
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>> archives,
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>>> please visit:
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>> http://list.valvesoftware.com/mailman/listinfo/hlds_linux
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>> _______________________________________________
> >>>>>>>>>> To unsubscribe, edit your list preferences, or view the list
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>> archives,
> >>>>>
> >>>>>
> >>>>>>>>>> please visit:
> >>>>>>>>>> http://list.valvesoftware.com/mailman/listinfo/hlds_linux
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>> _______________________________________________
> >>>>>>>>> To unsubscribe, edit your list preferences, or view the list
> >>>>>>>>>
> >>>>>>>>>
> >>>> archives,
> >>>>
> >>>>
> >>>>>>>>> please visit:
> >>>>>>>>> http://list.valvesoftware.com/mailman/listinfo/hlds_linux
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>> _______________________________________________
> >>>>>>>> To unsubscribe, edit your list preferences, or view the list
> >>>>>>>>
> >>>>>>>>
> >>>> archives,
> >>>>
> >>>>
> >>>>>>>> please visit:
> >>>>>>>> http://list.valvesoftware.com/mailman/listinfo/hlds_linux
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>> _______________________________________________
> >>>>>> To unsubscribe, edit your list preferences, or view the list
> archives,
> >>>>>>
> >>>>>>
> >>>>> please visit:
> >>>>>
> >>>>>
> >>>>>> http://list.valvesoftware.com/mailman/listinfo/hlds_linux
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>> _______________________________________________
> >>>>> To unsubscribe, edit your list preferences, or view the list
> archives,
> >>>>> please visit:
> >>>>> http://list.valvesoftware.com/mailman/listinfo/hlds_linux
> >>>>>
> >>>>>
> >>>>>
> >>>> _______________________________________________
> >>>> To unsubscribe, edit your list preferences, or view the list
> archives,
> >>>> please visit:
> >>>> http://list.valvesoftware.com/mailman/listinfo/hlds_linux
> >>>>
> >>>>
> >>>>
> >>> _______________________________________________
> >>> To unsubscribe, edit your list preferences, or view the list
> archives,
> >>>
> >> please visit:
> >>
> >>> http://list.valvesoftware.com/mailman/listinfo/hlds_linux
> >>>
> >>>
> >>>
> >> _______________________________________________
> >> To unsubscribe, edit your list preferences, or view the list
> archives,
> >> please visit:
> >> http://list.valvesoftware.com/mailman/listinfo/hlds_linux
> >>
> >>
> > _______________________________________________
> > To unsubscribe, edit your list preferences, or view the list
> archives, please visit:
> > http://list.valvesoftware.com/mailman/listinfo/hlds_linux
> >
> >
> 
> 
> _______________________________________________
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> please visit:
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