12-10-2008
Haha, no offense taken, you're absolutely right... it doesn't speak well of them. I say I was assigned to do it, because I'm not getting paid anything extra for it. I'm a teacher at a small private school that needed a networking guy so they asked me and I said I'd do what I can.
So I tried telnet and get "could not open connection to the host on port..." I know that these ports are being blocked by something we have here, but I've tried port forwarding on all of the firewalls and routers that I could, and I still get blocked. I've set up utorrent to use port 40000. Is there any program (nmap included) that will determine exactly which local ip address is blocking a certain port? This way, I could narrow it down to what piece of hardware is doing the blocking and work from there.
10 More Discussions You Might Find Interesting
1. UNIX for Advanced & Expert Users
hi all
1) how to determine available ports in a box (solaris)
do i have to go for a netstat on all the ports?
2) how to block a particular port for a particular type of connection.
Any help would be greatly appreciated
Thanks (7 Replies)
Discussion started by: matrixmadhan
7 Replies
2. UNIX for Dummies Questions & Answers
How can I determine what UNIX thinks the record size of any given file is?? (1 Reply)
Discussion started by: jbrubaker
1 Replies
3. SCO
Hi folks!
We have SCO Open System V 5.0.5 here.
When I type "netstat -n" I found a line mentioning a conection at the port 1025, as follows:
tcp 0 0 quartzo.1025 200-203-8-90.csl.aas ESTABLISHED
Here we use only conections thru ports 22,23 and 25. I would like to... (0 Replies)
Discussion started by: Marcio Moraes
0 Replies
4. Shell Programming and Scripting
Hello,
I have a script where I get the full directory path of the script being executed:
BASE=$0
echo "BASE:" $BASE
The output looks like this:
BASE: /webapps/appsdev/ACURA/rlz/oses3.sh
I'd like to truncate the shell name, leaving just the directory path. The directory path can be... (2 Replies)
Discussion started by: cwalsek
2 Replies
5. Shell Programming and Scripting
I got the following code, it partially works. Can someone tell me why it partially doenst work?
#!/bin/sh
file=$1
if
then
echo "File is a directory"
else
echo "File is not a directory!"
fi
heres the output:
philip@philip-laptop:~/Desktop$ sh exFive.sh test.java
File is... (4 Replies)
Discussion started by: philmetz
4 Replies
6. Solaris
Hi guys
I have a bunch of x4100's x4140's etc with solaris 10 update4 running on them but I suspect that when a lot of these boxes were originally built, the jumpstart process used an update2 miniroot, now as far as i understand it, the miniroot used at jumpstart is the miniroot that stays on... (1 Reply)
Discussion started by: hcclnoodles
1 Replies
7. Solaris
Hi,
I want to block all outgoing connection ( the IMAP ) to my exchnage . I have to do it in my solaris server; from solaris host no outgoing connection can be made to the imap server.
Please help me to configure that.
I am new in solaris.
Kind regards,
Akhtar (2 Replies)
Discussion started by: akhtarbd
2 Replies
8. Programming
Is there a way to determine the "Instruction Pointer" of a function in c++, and if so can someone tell me? (5 Replies)
Discussion started by: neur0n
5 Replies
9. UNIX for Dummies Questions & Answers
Hi,
I went to a computer store and the salesman sold me a SATA cable and told me that all SATA cables are the same. Another salesman at a different store told me a cable rated for SATA 2, which I bought, MIGHT work as well as one rate for SATA 3 but it is not guaranteed. I decided to run a... (3 Replies)
Discussion started by: mojoman
3 Replies
10. Programming
among the below socket programming api's, please let me know which are blocking and non-blocking.
socket
accept
bind
listen
write
read
close (2 Replies)
Discussion started by: VSSajjan
2 Replies
LEARN ABOUT OSF1
mconnect
mconnect(1) User Commands mconnect(1)
NAME
mconnect - connect to SMTP mail server socket
SYNOPSIS
mconnect [-p port] [-r] [hostname]
DESCRIPTION
The mconnect utility opens a connection to the mail server on a given host, so that it can be tested independently of all other mail soft-
ware. If no host is given, the connection is made to the local host. Servers expect to speak the Simple Mail Transfer Protocol (SMTP) on
this connection. Exit by typing the quit command. Typing EOF sends an end of file to the server. An interrupt closes the connection immedi-
ately and exits.
OPTIONS
The following options are supported:
-p port Specify the port number instead of the default SMTP port (number 25) as the next argument.
-r "Raw" mode: disable the default line buffering and input handling. This produces an effect similar to telnet(1) to port
number 25.
OPERANDS
The following operand is supported:
hostname The name of a given host.
USAGE
The mconnect command is IPv6-enabled. See ip6(7P).
FILES
/etc/mail/sendmail.hf help file for SMTP commands
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO
telnet(1), sendmail(1M), attributes(5), ip6(7P)
Postel, Jonathan B., RFC 821, Simple Mail Transfer Protocol, Information Sciences Institute, University of Southern California, August
1982.
SunOS 5.10 9 Nov 1999 mconnect(1)