If you are looking to see if something is listening on port 80, you were close with telnet.
Without the port, telnet will try the default telnet port (port 23).
On most modern unix system telnet is disabled due to security reasons (plain text over network, no encryption etc.), in turn you got (which means telnet is not active on the remote server) :
Ping will tell you that the server is alive and responding to ICMP requests.
ICMP is also quite often blocked on firewalls, due to ICMP flooding exploits and alike.
I can ping other computers in my office. I can telnet other users in my office but i cannot get out of the office network. If i try to go out side of my network it cannot find host.
Any ideas? (5 Replies)
Hi,
Can anybody help me out why l can't not ping my server with Openserver 5.0.4 with my windows machine from a remote site.
The machine could see the local LAN with the Router however, i can't ping or telnet unto the server from another site on the WAN. The default gateway was configure on the... (0 Replies)
Hi All,
We are not able to ping to a AIX box...Network is ok..when we give ping from that AIX box..it is giving 0821-067 ping: The socket creation call failed.there is no enough buffer space for the requested socket operation.
refresh -s inetd is also giving socket error.
Please help to... (1 Reply)
I have one problem and it is giving me hard time
I can ping my windows machine
root@x1ChXpress:/sbin
>ping 192.168.129.66
192.168.129.66 is alive
root@x1ChXpress:/sbin
>netstat -rn
Routing Table:
Destination Gateway Flags Ref Use Interface... (3 Replies)
I have two redhat linux server. i have created one script which contain some command that run on Local server as well as remote server.I am using this command to connect to remote server
ssh user1@192.x.x.x 'command'
but when i am running the script in local server it connecting to the server... (1 Reply)
We have a Sun Solaris Netra 20 server. Our O&M Server gets Alarm Processor
not responding. When Alarm occurs, you can ping the sun server but cannot telnet it. We keep getting Interrupt level not serviced. var/adm/message log is
> tail -f messages
Apr 12 20:09:56 cama pcisch: PCI-device:... (9 Replies)
Hi all,
I am not sure if my problem is specific to HP-UX or not. Hopefully someone can tell me what's wrong.
I have a server name server1 10.100.50.10 in the /etc/hosts file and if I do a ping server1, it shows the right IP address.
However, if I run telnet server1, it is not using... (4 Replies)
Hi,
After a crash of our older AIX server it happend as it is in the title:
ping is ok, but telnet:
What it can be this strange thing?
Franci (2 Replies)
Hello,
I need help, I have the following which save in the result file ping and telnet:port test.
Basically the script works but I should implement a check on ping and telnet command so that ping has 5 seconds threshold and telnet (more important) 10 seconds. Over that threshold ping and... (0 Replies)
Discussion started by: marmellata
0 Replies
LEARN ABOUT MOJAVE
regexp::common::uri::telnet5.18
Regexp::Common::URI::telnet(3) User Contributed Perl Documentation Regexp::Common::URI::telnet(3)NAME
Regexp::Common::URI::telnet -- Returns a pattern for telnet URIs.
SYNOPSIS
use Regexp::Common qw /URI/;
while (<>) {
/$RE{URI}{telnet}/ and print "Contains a telnet URI.
";
}
DESCRIPTION
$RE{URI}{telnet}
Returns a pattern that matches telnet URIs, as defined by RFC 1738. Telnet URIs have the form:
"telnet:" "//" [ user [ ":" password ] "@" ] host [ ":" port ] [ "/" ]
Under "{-keep}", the following are returned:
$1 The complete URI.
$2 The scheme.
$3 The username:password combo, or just the username if there is no password.
$4 The username, if given.
$5 The password, if given.
$6 The host:port combo, or just the host if there's no port.
$7 The host.
$8 The port, if given.
$9 The trailing slash, if any.
REFERENCES
[RFC 1738]
Berners-Lee, Tim, Masinter, L., McCahill, M.: Uniform Resource Locators (URL). December 1994.
SEE ALSO
Regexp::Common::URI for other supported URIs.
AUTHOR
Damian Conway (damian@conway.org)
MAINTAINANCE
This package is maintained by Abigail (regexp-common@abigail.be).
BUGS AND IRRITATIONS
Bound to be plenty.
LICENSE and COPYRIGHT
This software is Copyright (c) 2001 - 2009, Damian Conway and Abigail.
This module is free software, and maybe used under any of the following licenses:
1) The Perl Artistic License. See the file COPYRIGHT.AL.
2) The Perl Artistic License 2.0. See the file COPYRIGHT.AL2.
3) The BSD Licence. See the file COPYRIGHT.BSD.
4) The MIT Licence. See the file COPYRIGHT.MIT.
perl v5.18.2 2013-03-08 Regexp::Common::URI::telnet(3)