Does an ADSL modem have built in firewall? I have the option to choose from two models of ADSL modem. One is HUAWEI MT882a & the another is Utstarcom UT-304R2. I've known that I need to install a firewall equipment to have a secure ADSL net connection. Do the above mentioned modems have a firewall built-in? If not, is it really necessary to install a firewall equipment for an ADSL2+ connection? Also, suggest me some firewalls.
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