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Unknown reason why SKYPE gets blocked!

dgial
Hello, I'm trying to find the reason why skype cannot connect. Maybe there are and other services undiscovered but this is the ONE i'm having problem now. Also i tried and with SOCKS5 but with no success of connecting to skype network. The socks proxy works and i'm connecting ok but the result is the same.

Traffic gets dropped with the default Firewall rule 60001. This are the entries in the PF log:

ulogd[4321]: id="2001" severity="info" sys="SecureNet" sub="packetfilter" name="Packet dropped" action="drop" fwrule="60001" initf="eth1" srcmac="d6:61:2a:54:6b:96" dstmac="b2:57:57:49[:D]d:15" srcip="157.56.52.17" dstip="176.X.X.***" proto="6" length="40" tos="0x00" prec="0x00" ttl="53" srcport="443" dstport="52210" tcpflags="RST"

The source IP is from the range of Skype's network. The destination IP is my external WAN address.

There is nothing being blocked from IPS neither Web Filter or Application Control. I have tried everything that i could think of and here is my last resort for getting help before i format and fix the UTM from the start.

I have UTM 9 with firmware 9.106-17.


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    dstip is the only one primary external address. I have only DNATs but i i don't think that could affect this. Almost the same setup to other ASG software or hardware do not affect this traffic. The only think that i could think of is from the upgrades from the past until now something got stuck...
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  • 0
    dstip is the only one primary external address. I have only DNATs but i i don't think that could affect this. Almost the same setup to other ASG software or hardware do not affect this traffic. The only think that i could think of is from the upgrades from the past until now something got stuck...
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