11-15-2010
closing open ports using scripts
hi rainboisterous, will u explain ur script a bit
here ,
for i in `comm -23 1.txt 2.txt`
here 1.txt contains all open ports on system by doing nmap
and 2.txt contains all allowed ports .
for e.g 1.txt might contain
7/tcp
13/tcp
22/tcp
23/tcp
37/tcp
and 2.txt contains
22/tcp
23/tcp
so ur script will commpare both text file and drop all ports apart from 23/tcp . please explain
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LEARN ABOUT OPENSOLARIS
tcp.h
tcp.h(3HEAD) Headers tcp.h(3HEAD)
NAME
tcp.h, tcp - definitions for the Internet Transmission Control Protocol (TCP)
SYNOPSIS
#include <netinet/tcp.h>
DESCRIPTION
The <netinet/tcp.h> header defines the following macro for use as a socket option at the IPPROTO_TCP level:
TCP_NODELAY Avoid coalescing of small segments.
The macro is defined in the header. The implementation need not allow the value of the option to be set with setsockopt() or retrieved with
getsockopt().
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Standard |
+-----------------------------+-----------------------------+
SEE ALSO
getsockopt(3XNET), socket.h(3HEAD), attributes(5), standards(5)
SunOS 5.11 10 Sep 2004 tcp.h(3HEAD)