FireBrick Firewall - Steam Client: Difference between revisions

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-This firewall allows both inbound and outbound traffic to reach the steam client, all other traffic is rejected.
+This firewall allows both inbound and outbound traffic to reach the steam client, all other traffic is rejected. It is written for gaming systems that will only be using the steam client.
 =Static DNS=
@@ Line 6: / Line 5: @@
 Static DNS manages control over which IP's the steam client can use:
-<syntaxhighlight>
+<syntaxhighlight lang=xml>
 <dns resolvers="2001:8b0::2020 2001:8b0::2021 217.169.20.20 217.169.20.21">
-<host name="a1507.d.akamai.net" ip="23.63.98.26 23.63.98.32"/>
+<host name="api.steampowered.com" ip="23.205.213.78"/>
-<host name="a1697.g.akamai.net" ip="23.63.99.219 23.67.255.202"/>
-<host name="a1737.g.akamai.net" ip="23.63.99.208 23.63.99.240"/>
-<host name="a1843.g.akamai.net" ip="23.67.255.200 23.67.255.208"/>
-<host name="api.steampowered.com" ip="23.195.77.152 23.205.213.78"/>
 <host name="cdn.akamai.steamstatic.com" ip="23.63.98.26 23.63.98.32"/>
 <host name="cdn.store.steampowered.com" ip="23.63.98.26 23.63.98.32"/>
@@ Line 19: / Line 14: @@
 <host name="clientconfig.akamai.steamstatic.com" ip="23.63.98.26 23.63.98.32"/>
 <host name="crash.steampowered.com" ip="208.64.203.140 208.64.203.173"/>
+<host name="crl4.digicert.com" ip="66.225.197.197"/>
 <host name="dreamfallchapters.azurewebsites.net" ip="191.238.8.26"/>
 <host name="images.akamai.steamusercontent.com" ip="23.63.98.26 23.63.98.32"/>
@@ Line 25: / Line 21: @@
 <host name="media3.steampowered.com" ip="8.253.70.30 8.253.70.110"/>
 <host name="media4.steampowered.com" ip="23.63.98.26 23.63.98.32"/>
+<host name="ocsp.digicert.com" ip="93.184.220.29"/>
+<host name="paypal.d1.sc.omtrdc.net" ip="66.235.148.64"/>
 <host name="repo.steampowered.com" ip="23.63.98.26 23.63.98.32"/>
+<host name="s1.symcb.com" ip="2.22.133.163"/>
+<host name="s2.symcb.com" ip="2.22.139.27"/>
 <host name="steamcdn-a.akamaihd.net" ip="23.67.255.200 23.67.255.208"/>
-<host name="steamcloud-eu.storage.googleapis.com" ip="216.58.198.208 216.58.198.240 216.58.213.112"/>
+<host name="steamcloud-eu.storage.googleapis.com" ip="216.58.198.208 216.58.198.240"/>
 <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"/>
-<host name="steamcommunity.com" ip="23.195.77.152 23.205.213.78"/>
+<host name="steamcommunity.com" ip="23.63.99.219 23.67.255.202"/>
 <host name="steamstore-a.akamaihd.net" ip="23.63.99.208 23.63.99.240"/>
 <host name="store.akamai.steamstatic.com" ip="23.63.98.26 23.63.98.32"/>
-<host name="store.steampowered.com" ip="23.195.77.152 23.205.213.78"/>
+<host name="store.steampowered.com" ip="23.205.213.78"/>
+<host name="t.paypal.com" ip="173.223.190.173"/>
+<host name="www.paypal.com" ip="173.223.190.173"/>
+<host name="www.paypalobjects.com" ip="23.65.43.145"/>
 </dns>
 </syntaxhighlight>
@@ Line 42: / Line 45: @@
 Outbound Rules - Change the MAC address in the source-mac= element to your own:
-<syntaxhighlight>
+<syntaxhighlight lang=xml>
 <rule-set name="Steam Client: Outbound" source-interface="LAN" target-interface="pppoe" no-match-action="continue">
   <rule name="Steam OS: NTP"
@@ Line 77: / Line 80: @@
         action="accept"/>
   <rule name="Steam Cloud: Google Cloud Platform"
-        target-ip="216.58.198.208 216.58.198.240 216.58.213.112"
+        target-ip="216.58.198.208 216.58.198.240"
         target-port="80 443"
         protocol="6"
@@ Line 86: / Line 89: @@
         protocol="6"
         action="accept"/>
-  <rule name="Paypal Payments"
+  <rule name="PayPal Payments"
-        target-ip="66.235.148.64 66.235.148.128/31"
+        target-ip="2.22.133.163 2.22.139.27 23.65.43.145 66.225.197.197 66.235.148.64 93.184.220.29 173.223.190.173"
         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-ip="103.10.124.0/23 146.66.155.0/24 155.133.224.0/19 162.254.192.0/21 205.196.6.0/24 208.64.200.0/22"
         target-port="80 443"
         protocol="6"
         action="accept"/>
   <rule name="Deny All"
-        source-mac="408D5C57F303 D8CB8AA2464E"
+        source-mac="D8CB8AA2464E"
         action="reject"/>
 </rule-set>
@@ Line 104: / Line 107: @@
 Inbound Rules - Change the IP address in the target-ip= element to your own:
-<syntaxhighlight>
+<syntaxhighlight lang=xml>
 <rule-set name="Steam Client: Inbound" target-interface="LAN" no-match-action="reject">
 <rule name="Allow Firebrick" source-interface="self"/>
@@ Line 128: / Line 131: @@
 ==Steam Client==
+This documents what hostnames the steam client uses and when.
 On startup:
@@ Line 142: / Line 147: @@
 *cdn.akamai.steamstatic.com
 *steamcommunity.com
+*br01.broadcast.fra.steamstatic.com (Randomly Selected)
+*br01.broadcast.lax.steamstatic.com (Randomly Selected)
+*br01.broadcast.lon.steamstatic.com (Randomly Selected)
+*br01.broadcast.ord.steamstatic.com (Randomly Selected)
 *br01.broadcast.sto.steamstatic.com (Randomly Selected)
+*br02.broadcast.fra.steamstatic.com (Randomly Selected)
+*br02.broadcast.lax.steamstatic.com (Randomly Selected)
+*br02.broadcast.lon.steamstatic.com (Randomly Selected)
+*br02.broadcast.ord.steamstatic.com (Randomly Selected)
+*br02.broadcast.sto.steamstatic.com (Randomly Selected)
+*br03.broadcast.fra.steamstatic.com (Randomly Selected)
+*br03.broadcast.lax.steamstatic.com (Randomly Selected)
+*br03.broadcast.lon.steamstatic.com (Randomly Selected)
+*br03.broadcast.ord.steamstatic.com (Randomly Selected)
+*br03.broadcast.sto.steamstatic.com (Randomly Selected)
+*br04.broadcast.fra.steamstatic.com (Randomly Selected)
+*br04.broadcast.lax.steamstatic.com (Randomly Selected)
+*br04.broadcast.lon.steamstatic.com (Randomly Selected)
+*br04.broadcast.ord.steamstatic.com (Randomly Selected)
 *br04.broadcast.sto.steamstatic.com (Randomly Selected)
@@ Line 152: / Line 175: @@
 *store.steampowered.com
 *cdn.akamai.steamstatic.com
+PayPal Payments:
+*store.steampowered.com
+*ocsp.digicert.com
+*crl4.digicert.com
+*www.paypal.com
+*s2.symcb.com
+*s1.symcb.com
+*www.paypalobjects.com
+*paypal.d1.sc.omtrdc.net
+*t.paypal.com
 ==Steam Cloud==
@@ Line 171: / Line 205: @@
 ==IP Reference==
+This documents what range of IP's belong to which CDN node and steam hostname.
-a1507.d.akamai.net:
+cdn.akamai.steamstatic.com:<br>
+cdn.store.steampowered.com:<br>
+clientconfig.akamai.steamstatic.com:<br>
+images.akamai.steamusercontent.com:<br>
+media.steampowered.com:<br>
+media4.steampowered.com:<br>
+repo.steampowered.com:<br>
+store.akamai.steamstatic.com:
+*a1507.d.akamai.net
 *23.63.98.26 (Primary)
 *23.63.98.32 (Primary)
@@ Line 187: / Line 231: @@
 *104.86.111.137
+steamcommunity-a.akamaihd.net:
-a1697.g.akamai.net:
+*a1697.g.akamai.net
 *23.63.99.219 (Primary)
 *23.67.255.202 (Primary)
@@ Line 193: / Line 238: @@
 *104.86.110.75
-a1737.g.akamai.net:
+steamstore-a.akamaihd.net:
+*a1737.g.akamai.net
 *23.63.99.208 (Primary)
 *23.63.99.240 (Primary)
@@ Line 199: / Line 245: @@
 *104.86.110.81
-a1843.g.akamai.net:
+steamcdn-a.akamaihd.net:
+*a1843.g.akamai.net
 *23.67.255.200 (Primary)
 *23.67.255.208 (Primary)