CODEWITHSUNDEEP
linuxapachecentos
allan.simon
allan.simon

Reputation: 4316

Apache can't start "could not bind to address [::]:443" though no process is using it, and netcat can openit

my version of apache 

Server version: Apache/2.4.6 (CentOS)
Server built:   Apr 20 2018 18:10:38

when I run the command lsof -i :443 it returns nothing

but if I try to run apache (directly by running httpd I got the error, I verified with ps aux that there was no previous httpd/apache process already running) 

(98)Address already in use: AH00072: make_sock: could not bind to address [::]:443

However if i try to run a netcat process on 443 nc 0.0.0.0 -l 443 , it does open and I can send data

I'm a bit lost on what could be the problem ?

Upvotes: 4

Views: 6477

Answers (2)

Ranjesh Mishra
Ranjesh Mishra

Reputation: 1

It seems another process is using port 443 on your server.

netstat -anp | grep 443

output will be

tcp 0 0 0.0.0.0:443 0.0.0.0:* LISTEN

disable port 443 and start

systemctl start httpd.service

Upvotes: 0

allan.simon
allan.simon

Reputation: 4316

Found it

Listen 443 was present two times among the different configuration files of apache

it's a pity apache does not have a more explicit error/warning message (i.e "option defined two times" etc.)

Upvotes: 4

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