As Internet gain ground quickly, the network safety problem such as mail of flaw of the computer network virus inside global limits, operating system, rubbish also emerges in endlessly, network of true it may be said is like all corners of the country, hiding everywhere kill machine, in be being met not carefully a bit, enrol. Regard an Internet bar as owner, face oneself good even hundreds of machine, often be kept constantly on the run to handle multifarious virus, and even hour beware of is worn baleful attack of the hacker, although went up to had installed the software reducing toxin with one pile all kinds of form, firewall in computer, but always have feel to be able to 't bear biff a bit, more those who feel shy is, the face blames network intermittence ceaselessly to the netizen, when going up to fall suddenly suddenly, appear helpless however ……
Virus inbreaks with illegal attack it is the safe hidden trouble with the biggest Internet bar, network safety product and solution more and more the attention that gets owner of each Internet bar, in numerous safe product, firewall product is the first line of defence that ensures network safety undoubtedly, the choice is better the important instrument that stronger special firewall makes hacker of network of defence of each big Internet bar atttack. The sort of hardware firewall it may be said on the market is at present various, function each different, and agree with the firewall of Internet bar network must want to have below a few features: Sexual price is higher than wanting, user limitation number should be compared wide, indispensible have very strong prevent black ability and inbreak monitoring capability, must have the network environment that cooperates Internet bar high speed, stability, manage easily even.
Of the firewall quality on nowadays market uneven, the difference of the price is bigger also, choose and buy of Internet bar owner is consequently more difficult, a few firewall that suit Internet bar network to use introduce for each user below, in order to offer reference.
American net FVS318 firewall
FVS318ProSafe VPN firewall is a true firewall, it uses visit of SPI, URL and content to filter, log record, report and real time give an alarm provide highest security, decline a service (DoS) attack is protected and inbreak detect. The multimedia application that port transmit function can allow Internet bar user if the applied freely such as game of NetMeeting and Web service lead plane, Internet.
It can be started at the same time reach channel of 8 IPSec VPN, reduce the operation cost of the Internet bar thereby, the oldest rate rises the security of the network. Get used to Auto Uplink to exchange port of local area network and network address to change a way by right of 8 each by, can let amount to 253 computers to share fast Web surf at the same time, share file and distribute Email, MP3.
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