09-06-2003
This port range is > 1024. You don't have to be root to run this program. You don't have to manually open them. The program will open them as needed.
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1. Cybersecurity
/* Linux Slackware */
Nmap shows the following ports open on the gateway.
21/tcp ftp
22/tcp ssh
23/tcp telnet
25/tcp smtp
37/tcp time
80/tcp http
113/tcp auth
515/tcp printer
587/tcp submission
1024/tcp kdm
6000/tcp x11
-------------------------------
i would like to close as... (10 Replies)
Discussion started by: LowOrderBit
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2. 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
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3. Shell Programming and Scripting
Hello, i need a script (bash type maybe?..), which would check open ports on 127.0.0.1 and then compare open ports with "registered/allowed" port list and try to kill the program who uses unregistered ports. It would be great that script would be started lets say every 5 or 10 minutes.
You see i... (2 Replies)
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4. AIX
Hi Every body,
What is the command on AIX 5.2 that can be used to get all open ports? (2 Replies)
Discussion started by: aldowsary
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5. UNIX for Dummies Questions & Answers
Hello,
I have a number of Solaris 8 Sun servers that have open ports that I cannot identify. I see some with 1012-1020 (which are reserved ports according to the IANA. Lsof does not identify these. One server has all these on and one server just has 1017.
*.1023 ... (3 Replies)
Discussion started by: csross
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6. Solaris
Hello,
I have a number of Solaris 8 Sun servers that have open ports that I cannot identify. I see some with 1013-1023 (which are reserved ports according to the IANA. Lsof does not identify these. I rebooted the server and they went off, but this morning I saw they were all back on again. Any... (1 Reply)
Discussion started by: csgonan
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7. Solaris
hi guys,
may i know the exact steps to open a port in solaris.i have some rough idea - which is adding the port number in /etc/services.
but i am not sure the correct conventions, steps or any other steps.
kindly advise.thanks guys ! (1 Reply)
Discussion started by: cromohawk
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8. UNIX for Dummies Questions & Answers
just a quick question:
a. whats the simplest command to check open port and the corresponding services?
example:
bash-2.05# netstat -an | grep LISTEN
*.199 *.* 0 0 49152 0 LISTEN
*.8989 *.* 0 0 49152 ... (1 Reply)
Discussion started by: lhareigh890
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9. IP Networking
Hi,
I have read some forum theads about the open and close ports. some points are clear and it is not working on my machine or something am i missing?
I have commented out a port /etc/services, one application uses
then when i use the telnet <hostname> <port_blocked> it shows connected..... (1 Reply)
Discussion started by: balamv
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LEARN ABOUT OSF1
snmp_traprcv
snmp_traprcv(8) System Manager's Manual snmp_traprcv(8)
NAME
snmp_traprcv - A program that listens for SNMP trap messages and prints any it receives
SYNOPSIS
/usr/sbin/snmp_traprcv [-d] [-tcp] [-p port]
OPTIONS
Sends a hexadecimal dump of the received packet to stdout. Specifies that the TCP transport be used instead of the UDP transport. If a
connection cannot be established, the program silently receives the trap on the standard transport address (UDP 162). Specifies the port
number on the local host on which to listen to messages. The default is 162, the well-known SNMP trap port.
DESCRIPTION
The snmp_traprcv program listens on the SNMP Trap port specified in the /etc/services file. If no entry exists in the /etc/services file,
the program listens on port 162. If any SNMP trap messages arrive, snmp_traprcv prints them to stdout. The program runs until terminated
by typing Ctrl/c.
RESTRICTIONS
When using the default or well-known port, you must have root privileges in order to run this program. The program may not be able to bind
to the default or specified port if other software on the system is already bound to that port.
SEE ALSO
Commands: snmpd(8), snmp_request(8), snmp_trapsnd(8)
snmp_traprcv(8)