Columbus-Server - API First Subdomain Discovery Service, Blazingly Fast Subdomain Enumeration Service With Advanced Features


Columbus Project is an API first subdomain discovery service, blazingly fast subdomain enumeration service with advanced features.

Columbus returned 638 subdomains of tesla.com in 0.231 sec.


Usage

By default Columbus returns only the subdomains in a JSON string array:

curl 'https://columbus.elmasy.com/lookup/github.com'

But we think of the bash lovers, so if you don't want to mess with JSON and a newline separated list is your wish, then include the Accept: text/plain header.

DOMAIN="github.com"curl -s -H "Accept: text/plain" "https://columbus.elmasy.com/lookup/$DOMAIN" | \while read SUBdo        if [[ "$SUB" == "" ]]        then                HOST="$DOMAIN"        else                HOST="${SUB}.${DOMAIN}"        fi        echo "$HOST"done

For more, check the features or the API documentation.

Entries

Currently, entries are got from Certificate Transparency.

Command Line

Usage of columbus-server:  -check    	Check for updates.  -config string    	Path to the config file.  -version    	Print version informations.

-check: Check the lates version on GitHub. Prints up-to-date and returns 0 if no update required. Prints the latest tag (eg.: v0.9.1) and returns 1 if new release available. In case of error, prints the error message and returns 2.

Build

git clone https://github.com/elmasy-com/columbus-servermake build

Install

Create a new user:

adduser --system --no-create-home --disabled-login columbus-server

Create a new group:

addgroup --system columbus

Add the new user to the new group:

usermod -aG columbus columbus-server

Copy the binary to /usr/bin/columbus-server.

Make it executable:

chmod +x /usr/bin/columbus-server

Create a directory:

mkdir /etc/columbus

Copy the config file to /etc/columbus/server.conf.

Set the permission to 0600.

chmod -R 0600 /etc/columbus

Set the owner of the config file:

chown -R columbus-server:columbus /etc/columbus

Install the service file (eg.: /etc/systemd/system/columbus-server.service).

cp columbus-server.service /etc/systemd/system/

Reload systemd:

systemctl daemon-reload

Start columbus:

systemctl start columbus-server

If you want to columbus start automatically:

systemctl enable columbus-server



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Columbus-Server - API First Subdomain Discovery Service, Blazingly Fast Subdomain Enumeration Service With Advanced Features Columbus-Server - API First Subdomain Discovery Service, Blazingly Fast Subdomain Enumeration Service With Advanced Features Reviewed by Zion3R on 19:21 Rating: 5