04 How to Allow Mail Server Samba FTP and NFS In Firewall | Allow SMTP IMAPs and POP3 in Firewall

How to Allow Mail Server Samba FTP and NFS Firewall | Allow SMTP IMAPs and POP3 in Firewall
How to Allow Mail Server Samba, FTP and NFS in Firewall | Allow SMTP IMAPs and POP3 in Firewall
tags:  How to allow mail server in firewall, allow samba service in firewall, firewall-cmd --add-services, allow NFS and FTP, Allow SMTP, Imaps, POP3
Q : How to Allow Mail service in firewall using firewall-cmd command ?

Before we start to add mail service in firewall we will check all services and  allow service in active firewall zone,below command we will use
firewall-cmd --get-services
firewall-cmd --list-all
We will get info about all mail services, means which ports is used by service and allow by firewall.
firewall-cmd --info-service=smtp
firewall-cmd --info-service=smtps
firewall-cmd --info-service=smtp-submission
firewall-cmd --info-service=pop3
firewall-cmd --info-service=pop3s
firewall-cmd --info-service=imap
firewall-cmd --info-service=imaps
It will display,  25/tcp port  used by smtp and 465/tcp by smtps and so forth

To allow mail service like smtp and smtps in firewall
firewall-cmd   --add-service=smtp --permanent
firewall-cmd   --add-service=smtps --permanent

We require to allow another service like smtp-submission for mail access
firewall-cmd   --add-service=smtp-submission --permanent

To allow POP3 and POP3s Service in Firewall
firewall-cmd   --add-service=pop3 --permanent
firewall-cmd   --add-service=pop3s --permanent

To allow IMAP and IMAPs Service in Firewall
firewall-cmd   --add-service=imap --permanent
firewall-cmd   --add-service=imaps --permanent

After the adding we will reload the firewall to update all changes,
firewall-cmd --reload
Now we will check all services to added in firewall
firewall-cmd --list-all

Q : How to Allow SAMBA Server in Firewall ?

We will allow samba and samba-client service for accessing a samba server

To information  about samba service

firewall-cmd --info-service=samba
firewall-cmd --info-service=samba-client


Q : Which ports is using by samba server ?

Samba is using following tcp and udp ports

137/tcp
138/udp
139/tcp
445/tcp

To allow SMB service in firewall

firewall-cmd   --add-service=imap --permanent
firewall-cmd   --add-service=imaps --permanent


To Reload firewall service
firewall-cmd --reload
Now we will check all services to added in firewall
firewall-cmd --list-all

Allow NFS Server in Firewall

To info about NFS service

firewall-cmd --info-service=nfs


NFS use 2049/tcp port


To allow SMB service in firewall

firewall-cmd   --add-service=nfs --permanent

After the adding we will reload the firewall to update all changes,
firewall-cmd --reload
Now we will check all services to added in firewall
firewall-cmd --list-all
 

Allow FTP Server in Firewall

To get info about FTP services
firewall-cmd --info-service=ftp
firewall-cmd   --add-service=ftp --permanent
firewall-cmd --reload
firewall-cmd --list-all

To know about more :



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