Hello List,
I posted a while ago that our testers of our network appliance were
complaining
that browsing was slower when using our appliance based on 6.x as
compared to
our appliance using 4.9 FreeBSD.
Well it turns out they were right! After spending much time trying to
figure out what
was going on we discovered that all http traffic was being routed thru
the ipf ftp proxy module.
Does anyone know why this is happening?
********************************************************************************
Here is 4.9
********************************************************************************
H101491# ipnat -l
List of active MAP/Redirect filters:
map rl1 from 192.168.1.0/24 to any -> 10.0.133.44/32 proxy port ftp ftp/tcp
map rl1 from 192.168.1.0/24 to any -> 10.0.133.44/32 portmap tcp/udp
40000:60000
map rl1 from 192.168.1.0/24 to any -> 10.0.133.44/32
List of active sessions:
MAP 192.168.1.9 2949 <- -> 10.0.133.44 40075 [64.154.83.47 80]
MAP 192.168.1.9 2948 <- -> 10.0.133.44 40074 [209.67.78.5 80]
MAP 192.168.1.9 2947 <- -> 10.0.133.44 40073 [216.168.252.103 443]
MAP 192.168.1.9 2946 <- -> 10.0.133.44 40072 [65.243.74.133 80]
MAP 192.168.1.9 2945 <- -> 10.0.133.44 40071 [216.168.252.103 443]
MAP 192.168.1.9 2944 <- -> 10.0.133.44 40070 [66.155.171.116 80]
MAP 192.168.1.9 2943 <- -> 10.0.133.44 40069 [64.9.212.6 80]
MAP 192.168.1.9 2942 <- -> 10.0.133.44 40068 [209.104.135.123 80]
MAP 192.168.1.9 2941 <- -> 10.0.133.44 40067 [65.243.74.133 80]
MAP 192.168.1.9 2940 <- -> 10.0.133.44 40066 [65.243.74.133 80]
MAP 192.168.1.9 2939 <- -> 10.0.133.44 40065 [65.243.74.133 80]
MAP 192.168.1.9 2938 <- -> 10.0.133.44 40064 [216.239.51.95 80]
MAP 192.168.1.9 2924 <- -> 10.0.133.44 40050 [64.233.169.99 80]
MAP 192.168.1.9 2922 <- -> 10.0.133.44 40048 [64.233.169.99 80]
MAP 192.168.1.9 2920 <- -> 10.0.133.44 40046 [64.233.169.147 80]
MAP 192.168.1.9 1031 <- -> 10.0.133.44 40045 [198.6.1.2 53]
MAP 192.168.1.9 2884 <- -> 10.0.133.44 40012 [207.159.120.157 80]
************************************************************************************
Here is 6.2
Notice in the mappings for port 80 the source port is not being mapped into
the 40000:60000 range.
Also notice that the ftp proxy thought it found something and dumps out
some diags.
************************************************************************************
H101490# ipnat -l
List of active MAP/Redirect filters:
map rl1 from 192.168.1.0/24 to any -> 10.0.133.77/32 proxy port ftp ftp/tcp
map rl1 from 192.168.1.0/24 to any -> 10.0.133.77/32 portmap tcp/udp
40000:60000
map rl1 from 192.168.1.0/24 to any -> 10.0.133.77/32
List of active sessions:
MAP 192.168.1.88 1397 <- -> 10.0.133.77 1397 [64.154.83.47 80]
MAP 192.168.1.88 1396 <- -> 10.0.133.77 1396 [209.67.78.5 80]
MAP 192.168.1.88 1395 <- -> 10.0.133.77 1395 [216.168.252.103 443]
MAP 192.168.1.88 1394 <- -> 10.0.133.77 1394 [216.168.252.103 443]
MAP 192.168.1.88 1393 <- -> 10.0.133.77 1393 [65.243.74.144 80]
MAP 192.168.1.88 1392 <- -> 10.0.133.77 1392 [65.243.74.144 80]
MAP 192.168.1.88 1378 <- -> 10.0.133.77 1378 [64.233.169.103 80]
proxy ftp/6 use -54 flags 0
proto 6 flags 0 bytes 0 pkts 0 data YES size 312
FTP Proxy:
passok: 1
Client:
seq 0 (ack 0) len 0 junk 0 cmds 0
buf [\000]
Server:
seq 2b451493 (ack 0) len 0 junk 0 cmds 0
buf [\000]
MAP 192.168.1.88 1391 <- -> 10.0.133.77 1391 [65.205.8.52 80]
MAP 192.168.1.88 1390 <- -> 10.0.133.77 1390 [65.203.229.71 80]
MAP 192.168.1.88 1389 <- -> 10.0.133.77 1389 [72.247.8.26 80]
MAP 192.168.1.88 1388 <- -> 10.0.133.77 1388 [216.239.51.93 80]
MAP 192.168.1.88 1033 <- -> 10.0.133.77 40000 [198.6.1.2 53]
--
"They that give up essential liberty to obtain temporary safety,
deserve neither liberty nor safety." (Ben Franklin)
"The course of history shows that as a government grows, liberty
decreases." (Thomas Jefferson)
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