Hi Marc,Thanks for your suggestion.>The script is obviously broken, it should be "ACCEPT" with a T.I have corrected the typo but it didn't seems to help. >This looks to me like a network issue. Is there a firewall in the path? I don't know how to find if there is a firewall between these two machine, but I am sure both machines's firewall are disabled. Best Regards Zhengjie At 2017-10-15 13:23:44, "Marc Haber" <mh+openssh-unix-dev@xxxxxxxxxxxx> wrote: >On Sun, Oct 15, 2017 at 09:17:17AM +0800, zhengjie wrote: >> iptables -P OUTPUT ACCEP //error this line ,output iptables: Bad policy name. Run `dmesg' for more information. >> > >The script is obviously broken, it should be "ACCEPT" with a T. > >> And both side can ping each other successfully. >> So I am confused how the packets are losed unidirectionally only? > >This looks to me like a network issue. Is there a firewall in the path? > >Greetings >Marc > >-- >----------------------------------------------------------------------------- >Marc Haber | "I don't trust Computers. They | Mailadresse im Header >Leimen, Germany | lose things." Winona Ryder | Fon: *49 6224 1600402 >Nordisch by Nature | How to make an American Quilt | Fax: *49 6224 1600421 >_______________________________________________ >openssh-unix-dev mailing list >openssh-unix-dev@xxxxxxxxxxx >https://lists.mindrot.org/mailman/listinfo/openssh-unix-dev _______________________________________________ openssh-unix-dev mailing list openssh-unix-dev@xxxxxxxxxxx https://lists.mindrot.org/mailman/listinfo/openssh-unix-dev