Question about ALG

Discussion in 'other software & services' started by CGuard, Oct 23, 2012.

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  1. CGuard

    CGuard Registered Member

    Joined:
    Mar 2, 2012
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    I recently purchased a DLink modem/router. Under the Firewall section there is an Application Level Gateway subsection with various checkable boxes corresponding to the following protocols and applications:

    PPTP
    IPSec (VPN Passthrough)
    RTSP (Online Video Streaming)
    Windows/MSN Messenger
    FTP
    H.323 (Video Conferencing)
    SIP
    Wake-On-LAN
    MMS

    Since i am not using any of them, is it safe/secure to uncheck them?

    PS. After searching/reading about ALG, it is unclear to me whether its main role is to make these protocols/applications work with NAT (ease of use) or to enhance network's security.
     
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