FireBrick Firewall - Steam Client

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Revision as of 21:51, 7 March 2016 by CrazyTeeka (talk | contribs) (IP Reference)
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This firewall allows both inbound and outbound traffic to reach the steam client, all other traffic is rejected.


Static DNS

Static DNS manages control over which IP's the steam client can use:

<dns resolvers="2001:8b0::2020 2001:8b0::2021 217.169.20.20 217.169.20.21">
   <host name="a1507.d.akamai.net"
         ip="23.63.98.10 23.63.98.17 23.63.98.18 23.63.98.19 23.63.98.26 23.63.98.27 23.63.98.32 23.63.98.33 23.63.98.41 23.63.98.43 23.63.99.58 23.63.99.90 104.86.110.249 104.86.111.137"/>
   <host name="a1697.g.akamai.net"
         ip="23.63.99.219 23.67.255.202 104.86.110.24 104.86.110.75"/>
   <host name="a1737.g.akamai.net"
         ip="23.63.99.208 23.63.99.240 104.86.110.24 104.86.110.81"/>
   <host name="a1843.g.akamai.net"
         ip="23.67.255.200 23.67.255.208 104.86.110.27 104.86.110.35"/>
   <host name="api.steampowered.com"
         ip="23.195.77.152 23.205.213.78 92.122.219.245 104.71.179.142 173.223.184.147"/>
   <host name="cdn.akamai.steamstatic.com"
         ip="23.63.98.10 23.63.98.17 23.63.98.18 23.63.98.19 23.63.98.26 23.63.98.27 23.63.98.32 23.63.98.33 23.63.98.41 23.63.98.43 23.63.99.58 23.63.99.90 104.86.110.249 104.86.111.137"/>
   <host name="cdn.store.steampowered.com"
         ip="23.63.98.10 23.63.98.17 23.63.98.18 23.63.98.19 23.63.98.26 23.63.98.27 23.63.98.32 23.63.98.33 23.63.98.41 23.63.98.43 23.63.99.58 23.63.99.90 104.86.110.249 104.86.111.137"/>
   <host name="cgpromotion.azurewebsites.net"
         ip="104.40.183.236"/>
   <host name="cgpromotion.blob.core.windows.net"
         ip="168.61.57.78"/>
   <host name="clientconfig.akamai.steamstatic.com"
         ip="23.63.98.10 23.63.98.17 23.63.98.18 23.63.98.19 23.63.98.26 23.63.98.27 23.63.98.32 23.63.98.33 23.63.98.41 23.63.98.43 23.63.99.58 23.63.99.90 104.86.110.249 104.86.111.137"/>
   <host name="crash.steampowered.com"
         ip="208.64.203.140 208.64.203.173"/>
   <host name="dreamfallchapters.azurewebsites.net"
         ip="191.238.8.26"/>
   <host name="images.akamai.steamusercontent.com"
         ip="23.63.98.10 23.63.98.17 23.63.98.18 23.63.98.19 23.63.98.26 23.63.98.27 23.63.98.32 23.63.98.33 23.63.98.41 23.63.98.43 23.63.99.58 23.63.99.90 104.86.110.249 104.86.111.137"/>
   <host name="media.steampowered.com"
         ip="23.63.98.10 23.63.98.17 23.63.98.18 23.63.98.19 23.63.98.26 23.63.98.27 23.63.98.32 23.63.98.33 23.63.98.41 23.63.98.43 23.63.99.58 23.63.99.90 104.86.110.249 104.86.111.137"/>
   <host name="media2.steampowered.com"
         ip="205.185.216.10 205.185.216.42"/>
   <host name="media3.steampowered.com"
         ip="8.253.70.30 8.253.70.110 8.253.70.142 8.254.191.46 8.254.191.94 8.254.191.238"/>
   <host name="media4.steampowered.com"
         ip="23.63.98.10 23.63.98.17 23.63.98.18 23.63.98.19 23.63.98.26 23.63.98.27 23.63.98.32 23.63.98.33 23.63.98.41 23.63.98.43 23.63.99.58 23.63.99.90 104.86.110.249 104.86.111.137"/>
   <host name="repo.steampowered.com"
         ip="23.63.98.10 23.63.98.17 23.63.98.18 23.63.98.19 23.63.98.26 23.63.98.27 23.63.98.32 23.63.98.33 23.63.98.41 23.63.98.43 23.63.99.58 23.63.99.90 104.86.110.249 104.86.111.137"/>
   <host name="steamcdn-a.akamaihd.net"
         ip="23.67.255.200 23.67.255.208 104.86.110.27 104.86.110.35"/>
   <host name="steamcloud-eu.storage.googleapis.com"
         ip="216.58.198.208 216.58.198.240 216.58.213.112"/>
   <host name="steamcloudams.blob.core.windows.net"
         ip="168.61.58.14"/>
   <host name="steamclouddub.blob.core.windows.net"
         ip="191.235.193.40"/>
   <host name="steamcommunity-a.akamaihd.net"
         ip="23.63.99.219 23.67.255.202 104.86.110.24 104.86.110.75"/>
   <host name="steamcommunity.com"
         ip="23.195.77.152 23.205.213.78 92.122.219.245 104.71.179.142 173.223.184.147"/>
   <host name="steamstore-a.akamaihd.net"
         ip="23.63.99.208 23.63.99.240 104.86.110.24 104.86.110.81"/>
   <host name="store.akamai.steamstatic.com"
         ip="23.63.98.10 23.63.98.17 23.63.98.18 23.63.98.19 23.63.98.26 23.63.98.27 23.63.98.32 23.63.98.33 23.63.98.41 23.63.98.43 23.63.99.58 23.63.99.90 104.86.110.249 104.86.111.137"/>
   <host name="store.steampowered.com"
         ip="23.195.77.152 23.205.213.78 92.122.219.245 104.71.179.142 173.223.184.147"/>
</dns>


Firewall

Outbound Rules - Change the MAC address in the source-mac= element to your own:

<rule-set name="Steam Client: Outbound" source-interface="LAN" target-interface="pppoe" no-match-action="continue">
  <rule name="Steam OS: NTP"
        target-port="123"
        protocol="17"
        action="accept"/>
  <rule name="Steam Client: TCP"
        target-port="27014-27050"
        protocol="6"
        action="accept"/>
  <rule name="Steam Client: UDP"
        target-port="3478 4379 4380 27000-27030"
        protocol="17"
        action="accept"/>
  <rule name="CDN: Akamai"
        target-ip="23.63.98.0/23 23.67.255.0/24 23.195.64.0/20 23.205.212.0/22 92.122.218.0/23 104.71.176.0/20 104.86.110.0/23 173.223.176.0/20"
        target-port="80 443"
        protocol="6"
        action="accept"/>
  <rule name="CDN: Highwinds"
        target-ip="205.185.216.10 205.185.216.42"
        target-port="80 443"
        protocol="6"
        action="accept"/>
  <rule name="CDN: Level 3"
        target-ip="8.253.70.30 8.253.70.110 8.253.70.142 8.254.191.46 8.254.191.94 8.254.191.238 212.73.205.178"
        target-port="80 443"
        protocol="6"
        action="accept"/>
  <rule name="Steam Cloud: Amazon Web Services"
        target-ip="54.231.130.0/23 54.231.132.0/22 54.231.136.0/22 54.231.140.0/23 54.231.142.0/24"
        target-port="80 443"
        protocol="6"
        action="accept"/>
  <rule name="Steam Cloud: Google Cloud Platform"
        target-ip="216.58.198.208 216.58.198.240 216.58.213.112"
        target-port="80 443"
        protocol="6"
        action="accept"/>
  <rule name="Steam Cloud: Microsoft Azure"
        target-ip="104.40.183.236 168.61.57.78 168.61.58.14 191.235.193.40 191.238.8.26"
        target-port="80 443"
        protocol="6"
        action="accept"/>
  <rule name="Paypal Payments"
        target-ip="66.235.148.64 66.235.148.128/31"
        target-port="80 443"
        protocol="6"
        action="accept"/>
  <rule name="Valve Software"
        target-ip="103.10.124.0/24 146.66.155.0/24 155.133.245.0/24 155.133.248.0/24 162.254.192.0/21 205.196.6.0/24 208.64.203.0/24"
        target-port="80 443"
        protocol="6"
        action="accept"/>
  <rule name="Deny All"
        source-mac="408D5C57F303 D8CB8AA2464E"
        action="reject"/>
</rule-set>

Inbound Rules - Change the IP address in the target-ip= element to your own:

<rule-set name="Steam Client: Inbound" target-interface="LAN" no-match-action="reject">
<rule name="Allow Firebrick" source-interface="self"/>
<rule name="Steam Client: TCP" target-ip="217.169.11.114/31" target-port="27014-27050" protocol="6" action="accept"/>
<rule name="Steam Client: UDP" target-ip="217.169.11.114/31" target-port="3478 4379 4380 27000-27030" protocol="17" action="accept"/>
</rule-set>


Technical Notes

Steam's game delivery system uses 3 different high performing CDN companies: Akamai, Highwinds and Level 3.

  • media.steampowered.com = Akamai
  • media2.steampowered.com = Highwinds
  • media3.steampowered.com = Level 3
  • media4.steampowered.com = Akamai

Origin Server

The origin server is where each CDN will pull files from. The origin server hostnames are:

  • cdn-01-origin.steampowered.com
  • cdn-01.steampowered.com

Steam Client

On startup:

  • repo.steampowered.com
  • client-download.steampowered.com
  • media.steampowered.com (Randomly Selected)
  • media2.steampowered.com (Randomly Selected)
  • media3.steampowered.com (Randomly Selected)
  • media4.steampowered.com (Randomly Selected)
  • api.steampowered.com
  • clientconfig.akamai.steamstatic.com
  • steamcommunity-a.akamaihd.net
  • store.steampowered.com
  • cdn.akamai.steamstatic.com
  • steamcommunity.com
  • br01.broadcast.sto.steamstatic.com (Randomly Selected)
  • br04.broadcast.sto.steamstatic.com (Randomly Selected)

Entering the Store:

  • store.steampowered.com
  • store.akamai.steamstatic.com

Exploring your Queue:

  • store.steampowered.com
  • cdn.akamai.steamstatic.com

Steam Cloud

The steam cloud stores a copy of local saved games, allowing you to use them on another system running the steam client. Here is a list of which hostnames belong to which game:

Deponia: The Complete Journey

  • cgpromotion.azurewebsites.net
  • cgpromotion.blob.core.windows.net

Deponia Doomsday

  • cgpromotion.azurewebsites.net
  • cgpromotion.blob.core.windows.net

Dreamfall Chapters

  • dreamfallchapters.azurewebsites.net
  • steamcloud-dub.s3.amazonaws.com

IP Reference

a1507.d.akamai.net:

  • 23.63.98.10
  • 23.63.98.17
  • 23.63.98.18
  • 23.63.98.19
  • 23.63.98.26 (Most Used)
  • 23.63.98.27
  • 23.63.98.32 (Most Used)
  • 23.63.98.33
  • 23.63.98.41
  • 23.63.98.43
  • 23.63.99.58
  • 23.63.99.90
  • 104.86.110.249
  • 104.86.111.137