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    Tuesday, August 14, 2012

    Iptables rule for Samba server in Red Hat Linux

    You ca use these firewall rules for simple share level Samba server. But in case you are looking for iptables rule for Samba4 Active Directory follow the below link

    IPtables rule for Samba4

    These are the Iptables setting for Samba server to work for the source users having IP range 10.10.10.0/24 based on RedHat or CentOS Operating Systems.

    Add these rules in your linux machine
    # iptables -A INPUT -s 10.10.10.0/24 -p udp --dport 137 -j ACCEPT
    # iptables -A INPUT -s 10.10.10.0/24 -p udp --dport 138 -j ACCEPT
    # iptables -A INPUT -s 10.10.10.0/24 -p tcp --dport 139 -j ACCEPT
    # iptables -A INPUT -s 10.10.10.0/24 -p tcp --dport 445 -j ACCEPT

    Verify your rules
    # iptables --list

    to check if the firewall rules are working
    # netstat -ntlp | grep smb
    tcp 0 0 :::139 :::* LISTEN 1221/smbd
    tcp 0 0 :::445 :::* LISTEN 1221/smbd



    Related Articles
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    iptables rules for Samba 4 in Red Hat Linux
    Basic iptables tutorial in Linux I
    Basic iptables tutorial in Linux II

    Follow the below links for more tutorials:

    How to configure Samba 3 as Primary Domain Controller in Red Hat Linux
    Tutorial for Monitoring Tools SAR and KSAR with examples in Linux
    How to configure Samba 4 Secondary Domain Controller
    How to secure Apache web server in Linux using password (.htaccess)
    How to register Red Hat Linux with RHN (Red Hat Network )
    Red hat Enterprise Linux 5.5 Installation Guide (Screenshots)
    15 tips to enhance security of your Linux machine
    Why is Linux more secure than windows and any other OS
    What is the difference between "su" and "su -" in Linux?
    What is swappiness and how do we change its value?
    How to log iptables messages in different log file
    How to auto start service after reboot in Linux
    What is virtual memory, paging and swap space?

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