If you are experiencing a "connection refused" error when attempting to connect to an Apache web server running in a FreeBSD jail, it is likely that the jail is not properly configured to listen for incoming connections on port 80.
To resolve this error, you will need to ensure that the Apache web server is properly configured to listen for incoming connections on port 80. In the Apache configuration file (usually httpd.conf or apache2.conf), you should see a line that specifies the port that Apache listens on, such as:
Listen 80
If this line is not present or is commented out, you will need to add it or remove the comment symbol to enable Apache to listen on port 80.
You will also need to ensure that the firewall on the host machine is configured to allow incoming connections on port 80. This can be done using the pf firewall or a third-party firewall program.
Finally, you will need to ensure that the jail is properly configured to allow incoming connections on port 80. This can be done by adding a jail_ip_localhost line to the jail configuration file (usually located in /etc/jail.conf), like this:
jail_ip_localhost="1.2.3.4"
Replace 1.2.3.4 with the IP address of the jail.
After making these changes, you should be able to connect to the Apache web server running in the jail without encountering the "connection refused" error.