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Top Forums UNIX for Dummies Questions & Answers slogin vs. login, can i open port 22, etc... Post 41328 by hassan2 on Thursday 2nd of October 2003 02:46:38 PM
Old 10-02-2003
Hammer & Screwdriver

yes port 23 are open by defualt but I tend to disable port 23 because it is insecure.

I use ssh intend which uses port 22, ssh (secure socket hosts) encrypted data and password using rsa or dsa keys while telnet port 23 send data and password in clear text.
 

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iscsi_discovery(8)					      System Manager's Manual						iscsi_discovery(8)

NAME
iscsi_discovery - discover iSCSI targets SYNOPSIS
iscsi_discovery <IP> [-p <port>] [-d] [-t <tcp|iser> [-f]] [-m] [-l] DESCRIPTION
Perform send-targets discovery to the specified IP. If a discovery record is generated, try to login to the portal using the preferred transport (-t flag specifies the requested transport type, TCP is the default). If login using a certain transport succeeds, mark the por- tal for automatic login (unless -m flag is used), and disconnect (unless -l flag is used). For iSCSI discovery to work, open-iscsi services must be running. i.e. iscsid should be up, and the iSCSI modules loaded. This is best accomplished by the init.d startup script. [-p=]port-number set the port number (defualt is 3260). [-d] print debugging information. [-t=]transport-type set transport (default is tcp). [-f] force specific transport - disable the fallback to tcp (default is fallback enabled). force the transport specified by the argument of the -t flag. [-m] manual startup - will set manual startup (default is automatic startup). [-l] login - login to the new discovered nodes (defualt is false). AUTHOR
Written by Dan Bar Dov REPORTING BUGS
Report bugs to <erezzi.list@gmail.com>. COPYRIGHT
Copyright (C) Voltaire Ltd. 2006. iscsi_discovery(8)
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