Simplified Manual Pages |
The standard set of manual pages (often called man pages) which are available in most flavours of Linux, BSD and Unix tend to be long and they can be cryptic. Manual pages tend to list what options are available without explaining why we might use them. Further, many manual pages do not provide examples.
The TLDR-pages project has compiled a collection of simplified manual pages which present commands with a clear explanation of what each command does and lists examples of how the command is most often used. These simplified pages are available below.
nmap
Network exploration tool and security/port scanner.
Some features (e.g. SYN scan) activate only when `nmap` is run with root privileges.
More information: home page
- Scan the top 1000 ports of a remote host with various [v]erbosity levels:
nmap -v1|2|3 ip_or_hostname
- Run a ping sweep over an entire subnet or individual hosts very aggressively:
nmap -T5 -sn 192.168.0.0/24|ip_or_hostname1,ip_or_hostname2,...
- Enable OS detection, version detection, script scanning, and traceroute:
sudo nmap -A ip_or_hostname1,ip_or_hostname2,...
- Scan a specific list of ports (use `-p-` for all ports from 1 to 65535):
nmap -p port1,port2,... ip_or_host1,ip_or_host2,...
- Perform service and version detection of the top 1000 ports using default NSE scripts, writing results (`-oA`) to output files:
nmap -sC -sV -oA top-1000-ports ip_or_host1,ip_or_host2,...
- Scan target(s) carefully using `default and safe` NSE scripts:
nmap --script "default and safe" ip_or_host1,ip_or_host2,...
- Scan for web servers running on standard ports 80 and 443 using all available `http-*` NSE scripts:
nmap --script "http-*" ip_or_host1,ip_or_host2,... -p 80,443
- Attempt evading IDS/IPS detection by using an extremely slow scan (`-T0`), decoy source addresses (`-D`), [f]ragmented packets, random data and other methods:
sudo nmap -T0 -D decoy_ip1,decoy_ip2,... --source-port 53 -f --data-length 16 -Pn ip_or_host
The TLDR manual pages are distributed under the
Creative Commons Attribution 4.0 International License (CC-BY).
The project's scripts are licensed under the MIT license:
The MIT License (MIT)
Copyright (c) 2014 the TLDR team and contributors.
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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