Here is the log entry:
2008:07:29-10:25:50 (none) ulogd[2517]: id="2019" severity="info" sys="SecureNet" sub="packetfilter" name="AFC Block" action="drop" fwrule="60100" initf="eth1" dstmac="x" srcmac="x" srcip="x.x.x.x" dstip="x.x.x.x" proto="6" length="122" tos="0x00" prec="0x00" ttl="47" srcport="21" dstport="41336" tcpflags="ACKPSH "
Once I set up an exception for the client that needs to connect to the site, I had no further issues connecting to the site.
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