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Cybersecurity
FreeBSD IPFW Rules clarification please...
Post 302224696 by amsct on Wednesday 13th of August 2008 06:39:29 PM
08-13-2008
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just as the title says.
thanks.
#General Rule Sets
/sbin/ipfw add 0300 check-state
/sbin/ipfw add 0301 deny tcp from any to any in established
/sbin/ipfw add 0302 pass tcp from any to any out setup keep-state
/sbin/ipfw add 0303 pass udp from any to any out
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LEARN ABOUT SUNOS
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 5.10 10 Sep 2004 tcp.h(3HEAD)