> From: Berk Gulenler <[email protected]> > Subject: [pfSense Support] Mac OS Package Lost > To: [email protected] > Date: Friday, August 27, 2010, 7:29 AM > Hi, > > My Pfsense firewall has 3 interfaces, WAN, LAN and DMZ. Mac > OS computers in my LAN net can not connect to an external > site on net. When I sniff the traffic on both WAN and LAN > interfaces I saw a situation like this: > > MAC -> LAN -> WAN -> SITE (SYN) > SITE -> WAN x LAN x MAC (SYN ACK) > > I see SYN ACK packages on my WAN interface coming from SITE > but I don't see them on my LAN interface. Packages getting > lost between my WAN and LAN interfaces. Is there any way to > debug the problem? / Is there any one having the same > problem? > > Thanks. > > -- Berk Gulenler I suppose you are talking about TCP traffic, do TCP-ports in SYN and SYN ACK match? What do you see in logs, why SYN ACKs are discarded? What about ICMP?
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