Hello.
I am having two workstations - one is acting as NAT and ftp/nfs/smb-server and
torrent-client and second - connected directly to e1000g0 interface (Ubuntu
9.10 installed), with two Intel 82567 interfaces:
e1000g0: flags=1100843<UP,BROADCAST,RUNNING,MULTICAST,ROUTER,IPv4> mtu 1500
index 2
inet 192.168.24.1 netmask ffffff00 broadcast 192.168.24.255
e1000g2: flags=1100843<UP,BROADCAST,RUNNING,MULTICAST,ROUTER,IPv4> mtu 1500
index 4
inet 92.53.64.137 netmask ffffffc0 broadcast 92.53.64.191
There is no firewall rules, but i have simple nat configuration:
map e1000g2 192.168.24.1/24 -> 92.53.64.137/32 proxy port ftp ftp/tcp
map e1000g2 192.168.23.1/24 -> 92.53.64.137/32 proxy port ftp ftp/tcp
map e1000g2 192.168.24.1/24 -> 92.53.64.137/32 portmap tcp/udp 40000:60000
map e1000g2 192.168.24.1/24 -> 92.53.64.137/32
map e1000g2 192.168.23.1/24 -> 92.53.64.137/32 portmap tcp/udp 60000:65000
map e1000g2 192.168.23.1/24 -> 92.53.64.137/32
rdr e1000g2 92.53.64.137 port 6346 -> 192.168.24.5 port 6346 tcp
rdr e1000g2 92.53.64.137 port 6346 -> 192.168.24.5 port 6346 udp
So, the problem is that http or ftp connections are suddenly broken without any
reason. ipmon reports that connection is not expired, but Ubuntu behind NAT
returns "Connection reset by peer error".
Here is snoop capture of last 4 packets: http://paste.org/pastebin/view/14237
This is not network issue, because running wget on Opensolaris workstation
itself is not failing.
uname -a:
SunOS myaut-srv 5.11 snv_127 i86pc i386 i86pc Solaris
Thank you for your help
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