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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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  • 0
    Hi, I'll try this but I don't think that would make any difference. In the internal network there aren't any excessive broadcast or multicast traffic, it is very quiet. Thanks for your reply. 

    Why is very slow when it concerns only the traffic from Skype; I haven't any problem with other stuff like P2P,torrent,Sip,VPN.
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  • 0
    Hi, I'll try this but I don't think that would make any difference. In the internal network there aren't any excessive broadcast or multicast traffic, it is very quiet. Thanks for your reply. 

    Why is very slow when it concerns only the traffic from Skype; I haven't any problem with other stuff like P2P,torrent,Sip,VPN.
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