Block port for all except for one specific ip in Solaris11.4 Post: 303035708

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LEARN ABOUT NETBSD

ipnat

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

NAME

       ipnat - user interface to the NAT subsystem

SYNOPSIS

       ipnat [ -dhlnrsvCF ] [ -M core ] [ -N system ] -f <filename>

DESCRIPTION

       ipnat  opens the filename given (treating "-" as stdin) and parses the file for a set of rules which are to be added or removed from the IP
       NAT.

       Each rule processed by ipnat is added to the kernels internal lists if there are no parsing problems.  Rules are added to the  end  of  the
       internal lists, matching the order in which they appear when given to ipnat.

       Note  that ipf(8) must be enabled (with ipf -E) before NAT is configured, as the same kernel facilities are used for NAT functionality.	In
       addition, packet forwarding must be enabled.  These details may be handled automatically when ipnat is run by rc at normal system  startup.
       See options(4), sysctl(8), and rc.conf(5) for more information.

OPTIONS

       -C     delete all entries in the current NAT rule listing (NAT rules)

       -d     Enable printing of some extra debugging information.

       -F     delete all active entries in the current NAT translation table (currently active NAT mappings)

       -h     Print number of hits for each MAP/Redirect filter.

       -l     Show the list of current NAT table entry mappings.

       -n     This  flag  (no-change)  prevents ipf from actually making any ioctl calls or doing anything which would alter the currently running
	      kernel.

       -r     Remove matching NAT rules rather than add them to the internal lists.

       -s     Retrieve and display NAT statistics.

       -v     Turn verbose mode on.  Displays information relating to rule processing and active rules/table entries.

FILES

       /dev/ipnat
       /usr/share/examples/ipf	Directory with examples.

DIAGNOSTICS

       ioctl(SIOCGNATS): Input/output error Ensure that the necessary kernel functionality is present and ipf enabled with ipf -E.

SEE ALSO

       ipnat(5), rc.conf(5), ipf(8), ipfstat(8)

																	  IPNAT(8)

10 More Discussions You Might Find Interesting

1. IP Networking

block telnet to specific port

Discussion started by: xiamin

2. Solaris

Logged input to specific port?

Discussion started by: frustrated1

3. Shell Programming and Scripting

To get the ip of the devices connected to a specific port.

Discussion started by: madhumathikv

4. UNIX for Advanced & Expert Users

telnet on specific port??

Discussion started by: zing_foru