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Nmap - the Network Mapper. Github mirror of official SVN repository. https://svn.nmap.org/
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dmiller 539829b284 Eliminate crash in mac_prefix_init() on platforms with 32-bit long. Closes #2732
2026-07-22 18:08:15 +00:00
.github Update build workflow actions for Node24 2026-07-16 19:14:31 +00:00
docs Remove vestiges of Nping's alpha version number. See #2862 2026-06-25 21:58:51 +00:00
libdnet-stripped Avoid semicolon after do{}while(0) macro definition 2026-07-15 23:35:13 +00:00
liblinear
liblua
libnetutil ptrToIp: return false for non-matching addresses 2026-07-22 16:51:58 +00:00
libpcap
libpcre
libssh2
libz
macosx
mswin32 Add missing macro definition 2026-07-20 15:48:56 +00:00
nbase Update Strncpy implementation 2026-07-16 19:14:31 +00:00
ncat Ensure vars updated by signal handlers are volatile and atomic. Fixes #2245 2026-07-17 21:56:23 +00:00
ndiff
nping Add missing macro definition 2026-07-20 15:48:56 +00:00
nselib Clarify some logic 2026-07-17 21:56:32 +00:00
nsock Nsock: treat bind failure as connect failure. Fixes #1939 2026-07-20 19:11:42 +00:00
scripts Check for correct schema. Fixes #2221 2026-07-18 04:29:20 +00:00
tests guard ptrToIp against out-of-bounds read for short names. Closes #3414 2026-07-22 16:51:57 +00:00
zenmap
.gitignore
.lgtm.yml
.travis.yml
acinclude.m4
aclocal.m4
BSDmakefile
CHANGELOG Eliminate crash in mac_prefix_init() on platforms with 32-bit long. Closes #2732 2026-07-22 18:08:15 +00:00
charpool.cc
charpool.h
checklibs.sh
config.guess
config.sub
configure
configure.ac
CONTRIBUTING.md
depcomp
FingerPrintResults.cc
FingerPrintResults.h
FPEngine.cc Use TCPOptions class for IPv6 vectorization 2026-06-24 20:21:57 +00:00
FPEngine.h
FPModel.cc
FPModel.h
HACKING
idle_scan.cc Combine logic from IPv4/6 2026-06-26 22:06:03 +00:00
idle_scan.h
INSTALL
LICENSE
lpeg.c
ltmain.sh
MACLookup.cc Eliminate crash in mac_prefix_init() on platforms with 32-bit long. Closes #2732 2026-07-22 18:08:15 +00:00
MACLookup.h
main.cc Replace repeated strcat with Snprintf 2026-07-17 21:56:29 +00:00
Makefile.in Simplify cstring_unescape and add tests 2026-07-08 20:23:12 +00:00
missing
NewTargets.cc
NewTargets.h
nmap-header-template.cc
nmap-mac-prefixes
nmap-os-db
nmap-protocols
nmap-rpc
nmap-service-probes Clarify escapes that resemble octal escapes in Probe lines 2026-07-08 20:23:11 +00:00
nmap-services
nmap.cc Forbid multiple overlapping output file options 2026-07-17 21:56:24 +00:00
nmap.h
nmap.spec.in
nmap_amigaos.h
nmap_config.h.in
nmap_dns.cc Use exponential moving average for timing estimates 2026-07-01 02:06:12 +00:00
nmap_dns.h
nmap_error.cc Replace instances of sprintf with Snprintf 2026-07-17 21:56:29 +00:00
nmap_error.h
nmap_ftp.cc Use exponential moving average for timing estimates 2026-07-01 02:06:12 +00:00
nmap_ftp.h
nmap_tty.cc Ensure vars updated by signal handlers are volatile and atomic. Fixes #2245 2026-07-17 21:56:23 +00:00
nmap_tty.h Use RAII for terminal settings 2026-06-18 23:26:07 +00:00
nmap_winconfig.h
NmapOps.cc Unify checks for source sock addr validity 2026-07-20 15:48:55 +00:00
NmapOps.h
NmapOutputTable.cc
NmapOutputTable.h
nse_db.cc
nse_db.h
nse_debug.cc
nse_debug.h
nse_dnet.cc
nse_dnet.h
nse_fs.cc Replace instances of sprintf with Snprintf 2026-07-17 21:56:29 +00:00
nse_fs.h
nse_libssh2.cc
nse_libssh2.h
nse_lpeg.cc
nse_lpeg.h
nse_lua.h
nse_main.cc Use exponential moving average for timing estimates 2026-07-01 02:06:12 +00:00
nse_main.h
nse_main.lua Use exponential moving average for timing estimates 2026-07-01 02:06:12 +00:00
nse_nmaplib.cc Check for valid source addr 2026-07-20 19:11:42 +00:00
nse_nmaplib.h
nse_nsock.cc Bind to source with -e, not only -S. Fixes #2122 2026-07-20 15:48:57 +00:00
nse_nsock.h
nse_openssl.cc Check return from OpenSSL allocation functions. Fixes #2721 2026-06-18 23:26:06 +00:00
nse_openssl.h
nse_ssl_cert.cc OpenSSL 4.0 compatibility. Fixes #3375 2026-06-16 13:58:41 +00:00
nse_ssl_cert.h
nse_utility.cc
nse_utility.h
nse_zlib.cc Add an output limit for zlib.decompress 2026-07-01 02:06:11 +00:00
nse_zlib.h
osscan.cc Use safer macro for copying string literals into buffers 2026-07-15 23:35:12 +00:00
osscan.h
osscan2.cc Check for tcp th_off < 5 2026-06-26 22:06:05 +00:00
osscan2.h Avoid extra parsing/copying 2026-06-25 16:33:13 +00:00
output.cc Avoid repeated strcat/strncat 2026-07-17 21:56:30 +00:00
output.h
payload.cc
payload.h
portlist.cc Fix use-after-free in CPE list introduced in r39435 2026-07-15 23:35:14 +00:00
portlist.h Fix use-after-free in CPE list introduced in r39435 2026-07-15 23:35:14 +00:00
portreasons.cc
portreasons.h
probespec.h
protocols.cc Use safer macro for copying string literals into buffers 2026-07-15 23:35:12 +00:00
protocols.h
README-WIN32
README.md
scan_engine.cc Use exponential moving average for timing estimates 2026-07-01 02:06:12 +00:00
scan_engine.h Use exponential moving average for timing estimates 2026-07-01 02:06:12 +00:00
scan_engine_connect.cc Bind to source with -e, not only -S. Fixes #2122 2026-07-20 15:48:57 +00:00
scan_engine_connect.h
scan_engine_raw.cc Add checks for ip_hl < 5 2026-06-26 22:06:04 +00:00
scan_engine_raw.h
scan_lists.cc
scan_lists.h
service_scan.cc increase line buffer, add truncation error. Fixes #3201. Closes #3367 2026-07-22 18:08:14 +00:00
service_scan.h
services.cc Replace last instances of strcpy 2026-07-15 23:35:14 +00:00
services.h
shtool
string_pool.cc
string_pool.h
struct_ip.h
Target.cc Unify checks for source sock addr validity 2026-07-20 15:48:55 +00:00
Target.h
TargetGroup.cc
TargetGroup.h
targets.cc
targets.h
tcpip.cc Bind to source with -e, not only -S. Fixes #2122 2026-07-20 15:48:57 +00:00
tcpip.h Reuse raw socket for IPv6 when possible 2026-06-16 17:32:12 +00:00
timing.cc Use exponential moving average for timing estimates 2026-07-01 02:06:12 +00:00
timing.h Use exponential moving average for timing estimates 2026-07-01 02:06:12 +00:00
traceroute.cc Use exponential moving average for timing estimates 2026-07-01 02:06:12 +00:00
traceroute.h
utils.cc Simplify cstring_unescape and add tests 2026-07-08 20:23:12 +00:00
utils.h
xml.cc
xml.h
zenmap.spec.in

README.md

Nmap Build Status

Nmap is released under a custom license, which is based on (but not compatible with) GPLv2. The Nmap license allows free usage by end users, and we also offer a commercial license for companies that wish to redistribute Nmap technology with their products. See Nmap Copyright and Licensing for full details.

The latest version of this software as well as binary installers for Windows, macOS, and Linux (RPM) are available from Nmap.org

Full documentation is also available on the Nmap.org website.

Questions and suggestions may be sent to the Nmap-dev mailing list.

Installing

Ideally, you should be able to just type:

./configure
make
make install

For far more in-depth compilation, installation, and removal notes, read the Nmap Install Guide on Nmap.org.

Using Nmap

Nmap has a lot of features, but getting started is as easy as running nmap scanme.nmap.org. Running nmap without any parameters will give a helpful list of the most common options, which are discussed in depth in the man page. Users who prefer a graphical interface can use the included Zenmap front-end.

Contributing

Information about filing bug reports and contributing to the Nmap project can be found in the HACKING and CONTRIBUTING.md files.