Funny thing is, it's actually windows networking 101. But if you're stuck in 
the freeware world of Linux I can understand why you would be confused.
 
> Date: Fri, 30 Aug 2013 23:56:59 -0400
> From: [email protected]
> To: [email protected]
> Subject: Re: [hlds] Steam Server Ports
> 
> If he is on Windows then that might be a bit hard/impossible. I never 
> found any linux-quality firewall(/options) for Windows.
> 
> On 8/30/2013 11:40 PM, Calvin Judy wrote:
> > What exactly are you trying to do with the master servers?
> >
> > Just drop packets with an invalid size.
> >
> > ----- Original Message ----- From: "Violent Crimes" 
> > <[email protected]>
> > To: "Half-Life dedicated Win32 server mailing list" 
> > <[email protected]>
> > Sent: Friday, August 30, 2013 11:31 PM
> > Subject: Re: [hlds] Steam Server Ports
> >
> >
> >> Nope that didn't work
> >>
> >>
> >> On 8/30/2013 11:04 PM, List User wrote:
> >>> Assuming you are on port 27015;
> >>>
> >>> #VAC Secure:
> >>> Source Port(s): 27017,27018,27019,27020
> >>> Destination Port(s): 26901
> >>> Protocol(s): UDP
> >>>
> >>> #RCON:
> >>> Source Port(s): 27015
> >>> Destination Port(s): 27015
> >>> Protocol(s): TCP
> >>>
> >>> #Client & Query
> >>> Source Ports(s): Any
> >>> Destination Port(s): 27015
> >>> Protocol(s): UDP
> >>>
> >>> On 8/30/2013 10:35 PM, Violent Crimes wrote:
> >>>> Anyone know what ports for steam master servers. Keep getting 
> >>>> attacked with split packet attacks.
> >>>>
> >>>>
> >>>> NET_GetLong: Split packet from 78.95.68.48:27047 with invalid split 
> >>>> size (number 99/ count 114) where size 8293 is out of valid range 
> >>>> [564 - 1248 ]
> >>>> NET_GetLong: Split packet from 204.134.60.52:27013 with invalid 
> >>>> split size (number 81/ count 81) where size 337 is out of valid 
> >>>> range [564 - 1248 ]
> >>>> NET_GetLong: Split packet from 156.7.115.251:27022 with invalid 
> >>>> split size (number 81/ count 81) where size 337 is out of valid 
> >>>> range [564 - 1248 ]
> >>>> NET_GetLong: Split packet from 131.253.201.217:27018 with invalid 
> >>>> split size (number 99/ count 114) where size 8293 is out of valid 
> >>>> range [564 - 1248 ]
> >>>> NET_GetLong: Split packet from 202.198.227.99:27038 with invalid 
> >>>> split size (number 99/ count 114) where size 8293 is out of valid 
> >>>> range [564 - 1248 ]
> >>>> NET_GetLong: Split packet from 209.133.74.38:4380 with invalid 
> >>>> split size (number 81/ count 81) where size 337 is out of valid 
> >>>> range [564 - 1248 ]
> >>>> NET_GetLong: Split packet from 147.69.94.143:27018 with invalid 
> >>>> split size (number 81/ count 81) where size 337 is out of valid 
> >>>> range [564 - 1248 ]
> >>>> NET_GetLong: Split packet from 80.83.13.16:27016 with invalid split 
> >>>> size (number 99/ count 114) where size 8293 is out of valid range 
> >>>> [564 - 1248 ]
> >>>> NET_GetLong: Split packet from 174.4.182.232:27032 with invalid 
> >>>> split size (number 99/ count 114) where size 8293 is out of valid 
> >>>> range [564 - 1248 ]
> >>>> NET_GetLong: Split packet from 82.17.64.106:27049 with invalid 
> >>>> split size (number 81/ count 81) where size 337 is out of valid 
> >>>> range [564 - 1248 ]
> >>>> NET_GetLong: Split packet from 171.229.12.88:27034 with invalid 
> >>>> split size (number 99/ count 114) where size 8293 is out of valid 
> >>>> range [564 - 1248 ]
> >>>> NET_GetLong: Split packet from 199.3.107.39:27023 with invalid 
> >>>> split size (number 99/ count 114) where size 8293 is out of valid 
> >>>> range [564 - 1248 ]
> >>>> NET_GetLong: Split packet from 74.94.35.133:27012 with invalid 
> >>>> split size (number 99/ count 114) where size 8293 is out of valid 
> >>>> range [564 - 1248 ]
> >>>> NET_GetLong: Split packet from 160.105.74.195:27048 with invalid 
> >>>> split size (number 81/ count 81) where size 337 is out of valid 
> >>>> range [564 - 1248 ]
> >>>> NET_GetLong: Split packet from 164.249.36.231:27042 with invalid 
> >>>> split size (number 99/ count 114) where size 8293 is out of valid 
> >>>> range [564 - 1248 ]
> >>>> NET_GetLong: Split packet from 196.207.97.162:27022 with invalid 
> >>>> split size (number 99/ count 114) where size 8293 is out of valid 
> >>>> range [564 - 1248 ]
> >>>>
> >>>>
> >>>> _______________________________________________
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> >>>
> >>>
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> >>>
> >>
> >>
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> >> archives, please visit:
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> >
> >
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> 
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