Portscan is a simple port scanner for random IPs or specified IP ranges. Logs the open ports to a separate text file.

LanguagePerl
Licensepublic domain
Version2.0.0
Release dateDecember 24, 2021
Downloadzip archive
SHA-25675db895ad7df38e4155cdbe0f362c222e89d348176dad4d1f8be65b4c28ffd8a

Usage

$ perl portscan.pl -r IPRANGE -p PORTNUMBER -h -v

-p specifies the port number to scan, for example -p 80 or -p 80,443.

-r specifies the IP range to scan, ignore it for random IP scanning. Ranges can be specified in the 10.80.0.1-10.80.1.255 or 10.80.1.0/24 formats.

-h shows the program help

-v shows the program version

Example

$ perl portscan.pl -r 10.80.0.1-10.80.1.255 -p 80,443

License

Portscan is written by sizeof(cat) and released into the public domain.

This is free and unencumbered software released into the public domain.

Anyone is free to copy, modify, publish, use, compile, sell, or
distribute this software, either in source code form or as a compiled
binary, for any purpose, commercial or non-commercial, and by any
means.

In jurisdictions that recognize copyright laws, the author or authors
of this software dedicate any and all copyright interest in the
software to the public domain. We make this dedication for the benefit
of the public at large and to the detriment of our heirs and
successors. We intend this dedication to be an overt act of
relinquishment in perpetuity of all present and future rights to this
software under copyright law.

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 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.

For more information, please refer to <http://unlicense.org/>