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# conn
__the script is actively being rewritten on this branch and might not be on a usable state right now__
quick and dirty server availability check <br> <br>
basically just a way too complex wrapper for nmap and fping <br>
### features:
- multi-input detection
- ipv4 input detection
- ipv6 input detection
- ~~multi-input detection~~ (not needed anymore since the rewrite)
- ~~ipv4 input detection~~ (not needed anymore since the rewrite)
- ~~ipv6 input detection~~ (not needed anymore since the rewrite)
- waiting for availability
- send notification on availability
- updater built in
# usage
Usage: conn (options) [ip] <br>
Usage: conn <args> [IP(s)/hostname(s)] <br>
Options: <br>
-m/--multi -- test multiple ips / disable portscan <br>
-h/--help -- show help <br>
-6/--force-ipv6 -- force ipv6 portscanning (also forces portscanning) <br>
-4/--force-ipv4 -- force ipv4 portscanning (also forces portscanning) <br>
-y/--yes -- portscan without asking <br>
-n/--no -- dont portscan <br>
-p/--portscan -- same as -y <br>
-w/--wait -- wait for active connection <br>
-u/--update -- update the script <br>
-f/ --fast -- disable os check <br>
-s/ --simple -- same as -f <br>
-h / --help show help page (this) <br>
-6 / --force-ipv6 force ipv6 portscanning (also forces portscanning) <br>
-4 / --force-ipv4 force ipv4 portscanning (also forces portscanning) <br>
-y / --yes portscan without asking <br>
-n / --no dont portscan <br>
-w / --wait wait for active connection <br>
-u / --update update the script <br>
-f / --fast disable os check <br>
-s / --simple simplify output <br>
# installation
1. download the script: <br>
@ -46,28 +42,33 @@ chmod +x conn.sh && ./conn.sh
# sample output
```bash
checking connection status for localhost
./conn.sh nils.lol
checking connection status for nils.lol
-------------------Availability----------------------
localhost is alive (545 ms)
nils.lol is alive (35.5 ms)
note: this seems to be a linux machine
-----------------------------------------------------
portscan? (y/n) (default: y)
-------------------Portscan---------------------
Starting Nmap 7.91 ( https://nmap.org ) at 2021-02-15 15:07 CET
Nmap scan report for localhost (127.0.0.1)
Host is up, received user-set (0.047s latency).
Other addresses for localhost (not scanned): ::1
Not shown: 998 closed ports
Reason: 998 conn-refused
Starting Nmap 7.92 ( https://nmap.org ) at 2021-12-05 13:42 CET
Nmap scan report for nils.lol (168.119.185.158)
Host is up, received user-set (0.048s latency).
Not shown: 995 filtered tcp ports (no-response)
PORT STATE SERVICE REASON
21/tcp open ftp syn-ack
22/tcp open ssh syn-ack
631/tcp open ipp syn-ack
Nmap done: 1 IP address (1 host up) scanned in 3.23 seconds
80/tcp open http syn-ack
81/tcp closed hosts2-ns conn-refused
443/tcp open https syn-ack
localhost : [0], 64 bytes, 0.185 ms (0.185 avg, 0% loss)
localhost : [1], 64 bytes, 0.058 ms (0.122 avg, 0% loss)
localhost : [2], 64 bytes, 0.060 ms (0.101 avg, 0% loss)
localhost : [3], 64 bytes, 0.081 ms (0.096 avg, 0% loss)
Nmap done: 1 IP address (1 host up) scanned in 5.54 seconds
localhost : xmt/rcv/%loss = 4/4/0%, min/avg/max = 0.058/0.096/0.185
nils.lol : [0], 64 bytes, 36.5 ms (36.5 avg, 0% loss)
nils.lol : [1], 64 bytes, 35.7 ms (36.1 avg, 0% loss)
nils.lol : [2], 64 bytes, 34.7 ms (35.6 avg, 0% loss)
nils.lol : [3], 64 bytes, 33.5 ms (35.1 avg, 0% loss)
nils.lol : xmt/rcv/%loss = 4/4/0%, min/avg/max = 33.5/35.1/36.5
------------------------------------------------
```