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Re: [vox] quake3 serving from behind a firewall
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Re: [vox] quake3 serving from behind a firewall



Heh... I got my butt kicked.
I'm setting up a UT Server one of these days and THEN
we'll see.  :)

I arrived in the server and just started shotting him. 
A few minutes later I get this, "Who are you?" and then
he started playing.  <sigh>

-sp
Peter Jay Salzman wrote

> 
> heh.   i'm leaving the server up.   as soon as i
learn more about quake3
> serving, i'll set up a lugod quake3 server.   maybe
we can form a lugod
> clan?   :-)
> 
> thanks steve; i had fun!  :*)
> 
> pete
> 
> ps- problem solved!
> 
> 
> 
> begin Steven Peck <speck@blkmtn.org> 
> > Quake III test succesful
> > 
> > 
> > -----Original Message-----
> > From: vox-admin@lists.lugod.org
[mailto:vox-admin@lists.lugod.org] On
> > Behalf Of Peter Jay Salzman
> > Sent: Thursday, April 04, 2002 10:08 PM
> > To: vox@lists.lugod.org
> > Subject: Re: [vox] quake3 serving from behind a
firewall
> > 
> > 
> > begin Jeff Newmiller <jdnewmil@dcn.davis.ca.us> 
> > > On Thu, 4 Apr 2002, Peter Jay Salzman wrote:
> > > 
> > > > ok, after much procrastination, i rolled up my
sleeves and set up a
> > > > quake3 server.   here's the topology of my LAN:
> > > > 
> > > > 
> > > > --- 64.164.47.8
> > > >    mephisto
> > > >    LEAF
> > > >    firewall                         192.168.0.2
 satan
> > > >    192.168.0.1 -------------------- 192.168.0.3
 navalle
> > > >                                     192.168.0.4
 lucifer
> > > >                                     192.168.0.4
 lucifer
> > > >                                     192.168.0.4
 moloch
> > > > 
> > > > on the firewall:
> > > > 
> > > > # ipmasqadm portfw -l
> > > > prot localaddr        rediraddr              
lport    rport  pcnt
> > pref
> > > > UDP  adsl-64-164-47-8 satan.diablo.localnet  
ntp      ntp    10
> > 10
> > > > UDP  adsl-64-164-47-8 satan.diablo.localnet  
27960    27960  8
> > 10
> > > > TCP  adsl-64-164-47-8 lucifer.diablo.localnet
27500    27500  10
> > 10
> > > > TCP  adsl-64-164-47-8 satan.diablo.localnet  
ntp      ntp    10
> > 10
> > > > TCP  adsl-64-164-47-8 satan.diablo.localnet  
6346     6346   7
> > 10
> > > > TCP  adsl-64-164-47-8 satan.diablo.localnet  
ssh      ssh    9
> > 10
> > > > TCP  adsl-64-164-47-8 satan.diablo.localnet  
24       ssh    10
> > 10
> > > > TCP  adsl-64-164-47-8 satan.diablo.localnet  
smtp     smtp   9
> > 10
> > > > TCP  adsl-64-164-47-8 satan.diablo.localnet  
www      www    2
> > 10
> > > > TCP  adsl-64-164-47-8 satan.diablo.localnet  
ftp      ftp    10 
> > > > 
> > > > 
> > > > i ran the dedicated server on satan
(192.168.0.2):
> > > > 
> > > > q3ded +set dedicated 2 +net_ip 64.164.47.8 +map
q3dm17 +set 
> > > > com_hunkmegs 200
> > > > 
> > > > 
> > > > now on satan (192.168.0.2), i *can't* connect
to the server by 
> > > > specifying a connect to server 64.164.47.8
which surprises me.  
> > > > however, i can connect to the server by
specifying 192.168.0.2 which
> > 
> > > > is no surprise.
> > > 
> > > This is normal behavior.
> >  
> > see below
> > 
> > > > however, on lucifer (192.168.0.4) i *can*
connect to the server by 
> > > > specifying a connect to server 64.164.47.8.  i
can also specify 
> > > > 192.168.0.2.  this is groovy.
> > > 
> > > This is abnormal behavior.  I have never
encountered a linux kernel 
> > > that would do this (reflect a masquerade back
into the local network).
> > 
> > i believe the way quake3 works is that the server
sends an identifier to
> > a master server run by id software that says "i'm
running a server at ip
> > address 64.164.47.8".   the master server keeps
track of this.  btw, all
> > communication happens with UDP.
> > 
> > a client then connects to the master server and
gets a list of all the
> > servers and their ip addresses.  i'm not sure of
the details beyond
> > this.  but it seems reasonable that if i run a
server on 192.168.0.2
> > that identifies itself as 64.164.47.8 to the master
server, and then use
> > a client from 192.168.0.4 to connect to
64.164.47.8, that it would work.
> > 
> > i guess i'm not really sure what it means to
reflect a masq back into
> > the local server.  on one hand, i can't ssh from
192.168.0.2 to
> > 64.164.47.8:
> > 
> >    p@satan% ssh p@64.164.47.8
> >    
> >    (it just hangs)
> > 
> > but i can ping:
> > 
> >    p@satan% ping 64.164.47.8
> >    PING 64.164.47.8 (64.164.47.8): 56 data bytes
> >    64 bytes from 64.164.47.8: icmp_seq=0 ttl=255
time=0.6 ms
> > 
> > (note: after checking with tcpdump on the firewall,
the ping doesn't
> > leave my local network; it stays internal while ssh
does leave the
> > internal net).
> > 
> > 
> > oi.  this is confusing.  just when i thought i had
all this figured out,
> > i learn that i know practically nothing.   :(
> > 
> > 
> > still waiting for a quake3 owner to try to connect
to 64.164.47.8 ...
> > :)
> > 
> > pete
> > _______________________________________________
> > vox mailing list
> > vox@lists.lugod.org
> > http://lists.lugod.org/mailman/listinfo/vox
> > 
> > _______________________________________________
> > vox mailing list
> > vox@lists.lugod.org
> > http://lists.lugod.org/mailman/listinfo/vox
> _______________________________________________
> vox mailing list
> vox@lists.lugod.org
> http://lists.lugod.org/mailman/listinfo/vox


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