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Operating Systems Linux Red Hat networking problems with ftp,telnet, ssh, http Post 302310707 by Kainu on Sunday 26th of April 2009 03:25:35 PM
Old 04-26-2009
Hi,

Thanks for your answer sysgate. Youīve got it rigth, I canīt establish any data transfer session even though network connection seems to be OK. Here some answers to your questions.

1) Iīve tried to SSH, telnet and ftp several public sites. All these programs just hault, they seem be waiting some response that never comes. The process go to 'idle' state very soon after execution, network monitor shows some send/receive activity.

2) Network settings come from DHCP. IP address looks to be OK. I tried to disable ipv6 also but it didnīt help.

3) No proxies involved, direct connection to internet using Zyxel ADSL/WLAN box.

4) I have root access.

5) I have MS Vista installed also in the same machine. It setups the network automatically and connecto to internet without any problems.

6) I tried RHEL 5 server version too, no success

7) After RHEL I decided to try Fedora 10. Setup was done the same way and everything works fine eith it. The settings seem to be pretty much similar, the only differences Iīve found so far is that in Fedora the HOST name in prompt is 'localhost' as in RHEL it's 'DHCPPC'. Fedora also has xinetd.d service available that were missing form RHEL installation. That might be the reason?

I think I go with Fedora for a while and take copy of itīs config files for comparison before trying RHEL again.
 

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telnetrc(4)						     Kernel Interfaces Manual						       telnetrc(4)

NAME
telnetrc, .telnetrc - Specifies setup commands for a telnet session SYNOPSIS
$HOME/.telnetrc DESCRIPTION
The .telnetrc file contains the setup information for a telnet session. It is a hidden file in your home directory and must be readable by the user logging in. The file can consist of multiple entries for each remote host to which a user can connect. A remote host entry consists of multiple lines. The first line is the name of a remote host. The subsequent lines must begin with blank spaces, and contain telnet subcommands. These sub- commands are processed as though they were typed in manually. Lines beginning with a number sign (#) are comment lines. See telnet(1) for a complete list of telnet subcommands. To specify subcommands that apply to all systems, create an entry, using the word "DEFAULT" as the system name, and specify the telnet sub- commands in the subsequent lines. EXAMPLES
The following shows a sample .telnetrc file: # Beginning of telnetrc file # Default subcommands that apply to all systems DEFAULT environ undefine USER # First system entry system1 set echo toggle crlf # Second system entry system2 set echo mode line toggle crlf FILES
User-customized telnet startup values. RELATED INFORMATION
Commands: telnet(1). delim off telnetrc(4)
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