hadi motamedi schrieb: > Thank you for your reply . But still it cannot get through : > " > #nmap -sS -p 20-80 172.18.0.1 > Starting nmap V. 3.00 ( www.insecure.org/nmap/ > <http://www.insecure.org/nmap/> ) > Note: Host seems down. If it is really up, but blocking our ping > probes, try -P0 I dont know your network structure, but in your last email it sounds if you could ping the host and now it looks like you're dropping everything? iptables -P INPUT ACCEPT This will allow all input to your host. HTH & Greets Basti -- Bastian Ballmann PATRONAS Financial Systems GmbH Schnewlinstr 4 79098 Freiburg fon +49 (0)761 400688-19 fax +49 (0)761 400688-50 ballmann@xxxxxxxxxxx http://www.patronas.de Amtsgericht Freiburg, HRB 7212 Geschäftsführung: Heribert Steuer, Carsten Osswald This e-mail may contain confidential and/or privileged information. If you are not the intended recipient (or have received this e-mail in error) please notify the sender immediately and destroy this e-mail. Any unauthorized copying, disclosure or distribution of the material in this e-mail is strictly forbidden. _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos