I have did tcpdump -s0 -w file.cap this shows tcpdump: WARNING: arptype 65535 not supported by libpcap - falling back to cooked socket tcpdump: listening on venet0, link-type LINUX_SLL (Linux cooked), capture size 65535 bytes 191 packets captured 192 packets received by filter 0 packets dropped by kernel
when i capture for port 25 this shows tcpdump -ni venet0 -s0 -w file.cap port 25 tcpdump: WARNING: arptype 65535 not supported by libpcap - falling back to cooked socket tcpdump: listening on venet0, link-type LINUX_SLL (Linux cooked), capture size 65535 bytes 0 packets captured 1 packets received by filter 0 packets dropped by kernel and regarding to smtp trafic when i connect my load balancer from my php application this shows "* 421 4.3.2 No system resources"* this problem start when i upgrade postfix from 2.3 to 2.10. in older version of postfix this load balancer server was sending mails successfully . due to this relay error how can i put smtp load on load balancer. On Fri, Sep 7, 2012 at 12:43 PM, Willy Tarreau <w...@1wt.eu> wrote: > Hi, > > On Fri, Sep 07, 2012 at 12:40:38PM +0530, Naval saini wrote: > > tcpdump -i venet0 -e host 199.83.x.x > > tcpdump: WARNING: arptype 65535 not supported by libpcap - falling back > to > > cooked socket > > tcpdump: verbose output suppressed, use -v or -vv for full protocol > decode > > listening on venet0, link-type LINUX_SLL (Linux cooked), capture size 96 > > bytes > > 11:07:38.787889 Out ethertype IPv4 (0x0800), length 252: r22.mtp.org.ssh > > > > 117.203.6.14.58397: P 836101525:836101721(196) ack 2820479482 win 17424 > (...) > > You need to put this into a file (-s0 -w file.cap) otherwise this is not > exploitable at all. Also there is no smtp traffic here at all. I suggest > you limit the capture to port 25 : > > tcpdump -ni veth0 -s0 -w file.cap port 25 > > Regards, > Willy > > -- View this message in context: http://postfix.1071664.n5.nabble.com/postfix-version-2-10-20120902-relay-issue-tp50315p50347.html Sent from the Postfix Users mailing list archive at Nabble.com.
