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1.The hardware firewall is actually a route, so the settings also use http: ip to enter the settings. The specific ones are on the panel.,The landlord should be able to set up a route.,It's the same.。
2.In terms of corporate confidentiality and security, of course, hardware firewalls are better.
The problem is that the current hardware firewall is quite outrageous, if it is not very necessary, it is better to use software. The software can be used with the latest Kaba, or Rising with Skynet firewall. If you want hardware, both Cisco and Juniper will do. It's pretty much the same.
3.Computer B does not need to add a firewall, because it is directly connected to the server, and there is a firewall between the external network and the server, so the firewall must also pass between computer B and the external network. Of course, if your computer is not in the same LAN as the server, you will have to add a firewall to B.
Hope it helps.
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1. First of all, you need to make it clear whether your server is internal or external.
2. Choosing a firewall depends on what services your server wants to start, and determines the throughput of your firewall, and then you can buy what kind of firewall.
3. As for the brand of firewall, as long as the company has money, it is best to choose "Feita" or "Juniper", they all use ASCI architecture, which can be said to be a real hardware firewall. Some domestic ones only have x86 architecture.
4. After giving the answers to the above questions, I will give you the solution.
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1. First of all, is the firewall you mentioned equivalent to antivirus software?
Antivirus Software Recommendation:
Web Server --- SymantecDB Server--- not required.
File Server--- MacfeEmail Server--- MacFee Firewall Recommended:
Windows machines --- come with a firewall + IPsec I think it is the best supplement: Symantec for the web, because Symantec is very effective for Trojans, etc., after all, it is a well-known international brand, so with Symantec, you can also look at Symantec's reputation on the Internet, plus it occupies small resources and the speed is also good, so it is recommended.
The reason why db is not used is that db is generally placed in the background of **, and the Trojan horse is also transmitted on the web server, and the database server is also stored in the database, so I don't think it's necessary, and it occupies server resources in vain.
File and Mail choose MacFee because MacFee's performance in handling emails is really good, and MacFee has an anti-spam MacFee firewall, I generally use MacFee on Mail, as for File, I have always used MacFee, so I wrote MacFee
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If it's IIS, you can use the Dragon Shield IIS firewall, I'm currently using it, anti-Trojan, anti-injection, not bad.
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The first to recommend the customer service protection program of Iron Gate Seck.
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The knowledge in books is also the concept of learning.
It is still necessary to actually encounter problems and then go online to find relevant knowledge to solve them.
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It depends on what you're preparing to defend or something, and I can give you some recommendations.
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It is enough to do a good job of the server's own security strategy!
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Skynet café, it's best to have a hardware firewall in front!
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If the server is placed in your own company, you need to buy an additional firewall.
If you put it in the computer room for hosting, you don't need to buy a firewall.
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Self-managed server ......
1.It depends on how much the company decides to invest The first choice is the hardware firewall. I really don't know which one is good......This kind of luxury is by no means something that an individual user like me can afford to consume I only know that Cisco and Huawei are definitely not the same Lenovo seems to be able to Of course, it is not cheap, and the price mainly depends on the network throughput you require.
Ranging from a few thousand to hundreds of thousands
2.If you really don't have the funds to install a hardware firewall. The software firewall depends on what system you have.
I really don't know what firewall Unix has ......Under Linux, ShoreWall should be good (this seems to be common to Linux Unix) As a Linux home user, I just need to hide the port and I don't need much advanced firewall
3.If you're unfortunate and decide to use Windows Server as your server ......outpost bar If the average user asks me to recommend a firewall, I have a lot of options. But as a server system, I only know that OutPost Firewall is the ...... that supports Windows Server systemsThe effect is very good, it turns out that when I used Windows, it is very simple, and it is also very powerful
4.If you're even more unlucky, you're ready to take Windows XP as a server system ......Then you can do whatever you want......No one can save you......
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There are generally two ways to use the server, one is a hosted server, or a server rented in IDC, which needs to be sold as a stand-alone firewall; The other is the LAN server of the company's school, which is generally used as a bridgehead for the network exit to protect the security of the entire LAN, and a special gateway firewall should be used at this time.
Several stand-alone firewalls are more suitable for users with IDC servers
blackice server protection , cyberwall plus-sv
KFW Firewall Server Edition.
Server gateway firewall: ISA server
For the IP after the ping can not pass, you can use the scanning and sniffing tools to analyze the port vulnerabilities of the PC, so as to achieve the purpose of intrusion, for the lack of security awareness of individual PC users, most of the IP of the specified personal PC The success rate of intrusion is relatively high.
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ARP Terminator.
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Dual opening will not conflict, if you are a home personal computer, it is recommended to open the rule package 5 If it is a unit computer, open 4 or 3 Installing Microdot is equivalent to installing an anti-virus expert in your computer. As for the effect, the benevolent will see the benevolent, the wise will see the wise, and you will only know when you use it.