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Full Discussion: nmap results
Top Forums UNIX for Dummies Questions & Answers nmap results Post 18870 by DPAI on Thursday 4th of April 2002 12:08:06 AM
Old 04-04-2002
An nmap with a UDP option always shows open ports as filtered when u perform it over a range of ports .
When u perform it on a per - port basis it gives it as open
If thats a bug with nmap , I am not sure ...
But thats how it is .
UDP Scanning filtered <=> open

DP
 

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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 5.10 10 Sep 2004 tcp.h(3HEAD)
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