install.txt

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packages that have a version number higher than the current release. 
They also noted with annoyance that 90% of the Linux related bug reports
they got are due to changes made to unofficial versions of their page. 
If you are having trouble but aren't using a version that came from
tcpdump.org, please try that before submitting a bug report!

On Linux, libpcap will not work if the kernel does not have the packet
socket option enabled; see the README.linux file for information about
this.

If you use AIX, you may not be able to build libpcap from this release.
We do not have an AIX system in house so it's impossible for us to test
AIX patches submitted to us.  We are told that you must link against
/lib/pse.exp, that you must use AIX cc or a GNU C compiler newer than
2.7.2, and that you may need to run strload before running a libpcap
application.

Read the README.aix file for information on installing libpcap and
configuring your system to be able to support libpcap.

If you use NeXTSTEP, you will not be able to build libpcap from this
release. We hope to support this operating system in some future
release of libpcap.

If you use SINIX, you should be able to build libpcap from this
release. It is known to compile and run on SINIX-Y/N 5.42 with the C-DS
V1.0 or V1.1 compiler. But note that in some releases of SINIX, yacc
emits incorrect code; if grammar.y fails to compile, change every
occurence of:

	#ifdef YYDEBUG

to:
	#if YYDEBUG

Another workaround is to use flex and bison.

If you use SCO, you might have trouble building libpcap from this
release. We do not have a machine running SCO and have not had reports
of anyone successfully building on it. Since SCO apparently supports
DLPI, it's possible the current version works. Meanwhile, SCO provides
a tcpdump binary as part of their "Network/Security Tools" package:

    http://www.sco.com/technology/internet/goodies/#SECURITY

There is also a README that explains how to enable packet capture.

If you use UnixWare, you will not be able to build libpcap from this
release. We hope to support this operating system in some future
release of libpcap. Meanwhile, there appears to be an UnixWare port of
libpcap 0.0 (and tcpdump 3.0) in:

    ftp://ftp1.freebird.org/pub/mirror/freebird/internet/systools/

UnixWare appears to use a hacked version of DLPI.

If linking tcpdump fails with "Undefined: _alloca" when using bison on
a Sun4, your version of bison is broken. In any case version 1.16 or
higher is recommended (1.14 is known to cause problems 1.16 is known to
work). Either pick up a current version from:

	ftp://ftp.gnu.org/pub/gnu/bison

or hack around it by inserting the lines:

	#ifdef __GNUC__
	#define alloca __builtin_alloca
	#else
	#ifdef sparc
	#include <alloca.h>
	#else
	char *alloca ();
	#endif
	#endif

right after the (100 line!) GNU license comment in bison.simple, remove
grammar.[co] and fire up make again.

If you use SunOS 4, your kernel must support streams NIT. If you run a
libpcap program and it dies with:

    /dev/nit: No such device

You must add streams NIT support to your kernel configuration, run
config and boot the new kernel.

If you are running a version of SunOS earlier than 4.1, you will need
to replace the Sun supplied /sys/sun{3,4,4c}/OBJ/nit_if.o with the
appropriate version from this distribution's SUNOS4 subdirectory and
build a new kernel:

	nit_if.o.sun3-sunos4		(any flavor of sun3)
	nit_if.o.sun4c-sunos4.0.3c	(SS1, SS1+, IPC, SLC, etc.)
	nit_if.o.sun4-sunos4		(Sun4's not covered by
					    nit_if.o.sun4c-sunos4.0.3c)

These nit replacements fix a bug that makes nit essentially unusable in
pre-SunOS 4.1.  In addition, our sun4c-sunos4.0.3c nit gives you
timestamps to the resolution of the SS-1 clock (1 us) rather than the
lousy 20ms timestamps Sun gives you  (tcpdump will print out the full
timestamp resolution if it finds it's running on a SS-1).

FILES
-----
CHANGES		- description of differences between releases
ChmodBPF/*	- Mac OS X startup item to set ownership and permissions
		  on /dev/bpf*
CREDITS		- people that have helped libpcap along
FILES		- list of files exported as part of the distribution
INSTALL.txt	- this file
LICENSE		- the license under which tcpdump is distributed
Makefile.in	- compilation rules (input to the configure script)
README		- description of distribution
README.aix	- notes on using libpcap on AIX
README.dag	- notes on using libpcap to capture on Endace DAG devices
README.hpux	- notes on using libpcap on HP-UX
README.linux	- notes on using libpcap on Linux
README.macosx	- notes on using libpcap on Mac OS X
README.septel   - notes on using libpcap to capture on Intel/Septel devices
README.tru64	- notes on using libpcap on Digital/Tru64 UNIX
README.Win32	- notes on using libpcap on Win32 systems (with WinPcap)
SUNOS4		- pre-SunOS 4.1 replacement kernel nit modules
VERSION		- version of this release
acconfig.h	- support for post-2.13 autoconf
aclocal.m4	- autoconf macros
arcnet.h	- ARCNET definitions
atmuni31.h	- ATM Q.2931 definitions
bpf/net		- copy of bpf_filter.c
bpf_dump.c	- BPF program printing routines
bpf_filter.c	- symlink to bpf/net/bpf_filter.c
bpf_image.c	- BPF disassembly routine
config.guess	- autoconf support
config.h.in	- autoconf input
config.sub	- autoconf support
configure	- configure script (run this first)
configure.in	- configure script source
etherent.c	- /etc/ethers support routines
ethertype.h	- Ethernet protocol types and names definitions
fad-getad.c	- pcap_findalldevs() for systems with getifaddrs()
fad-gifc.c	- pcap_findalldevs() for systems with only SIOCGIFLIST
fad-glifc.c	- pcap_findalldevs() for systems with SIOCGLIFCONF
fad-null.c	- pcap_findalldevs() for systems without capture support
fad-win32.c	- pcap_findalldevs() for WinPcap
gencode.c	- BPF code generation routines
gencode.h	- BPF code generation definitions
grammar.y	- filter string grammar
inet.c		- network routines
install-sh	- BSD style install script
lbl/os-*.h	- OS-dependent defines and prototypes
llc.h		- 802.2 LLC SAP definitions
missing/*	- replacements for missing library functions
mkdep		- construct Makefile dependency list
msdos/*		- drivers for MS-DOS capture support
nametoaddr.c	- hostname to address routines
nlpid.h		- OSI network layer protocol identifier definitions
net		- symlink to bpf/net
optimize.c	- BPF optimization routines
packaging	- packaging information for building libpcap RPMs
pcap-bpf.c	- BSD Packet Filter support
pcap-bpf.h	- BPF definitions
pcap-dag.c	- Endace DAG device capture support
pcap-dag.h	- Endace DAG device capture support
pcap-dlpi.c	- Data Link Provider Interface support
pcap-dos.c	- MS-DOS capture support
pcap-dos.h	- headers for MS-DOS capture support
pcap-enet.c	- enet support
pcap-int.h	- internal libpcap definitions
pcap-linux.c	- Linux packet socket support
pcap-namedb.h	- public libpcap name database definitions
pcap-nit.c	- SunOS Network Interface Tap support
pcap-nit.h	- SunOS Network Interface Tap definitions
pcap-null.c	- dummy monitor support (allows offline use of libpcap)
pcap-pf.c	- Ultrix and Digital/Tru64 UNIX Packet Filter support
pcap-pf.h	- Ultrix and Digital/Tru64 UNIX Packet Filter definitions
pcap-septel.c   - INTEL/Septel device capture support
pcap-septel.h   - INTEL/Septel device capture support
pcap-stdinc.h	- includes and #defines for compiling on Win32 systems
pcap-snit.c	- SunOS 4.x STREAMS-based Network Interface Tap support
pcap-snoop.c	- IRIX Snoop network monitoring support
pcap-win32.c	- WinPcap capture support
pcap.3		- manual entry
pcap.c		- pcap utility routines
pcap.h		- public libpcap definitions
pf.h		- OpenBSD DLT_PFLOG definitions
ppp.h		- Point to Point Protocol definitions
rawss7.h	- information on DLT_ types for SS7
savefile.c	- offline support
scanner.l	- filter string scanner
sll.h		- definitions for Linux cooked mode fake link-layer header
sunatmpos.h	- definitions for SunATM capturing
Win32		- headers and routines for building on Win32 systems