Unit of e-government network at present, there is no DHCP server, fixed IP access to the Internet,
Can ping lton-us pipe, other device in the LAN, unable to ping TongWai network (such as baidu) tip ping request could not find host,
Nslookup can resolve to address, still not online

Replace the wireless network card test is still,
Uninstall reinstall the nic driver problem still

CodePudding user response:

Have a great spirit guide?

CodePudding user response:

Please check the DNS Settings of the computer, to see if set up properly?

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Safety devices in a network, do the control strategy?

CodePudding user response:

Check the DNS Settings

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DNS checked, trouble-free, hosts file without exception have checked the browser is replacing the reset has no abnormal LSP restoration, problem is unable to open the web page

CodePudding user response:

You use a normal machine to ping the baidu to get the correct address first, ping the address have problem of machine, to see if normal visit, if use IP ping understand that there must be something routing policy or firewall policy

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Repair the DNS

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Whether the default use proxy?

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Can on the QQ, you can't get to the Internet, is the problem DNS Settings, QQ more specs, Internet penetration, do not need to set up DNS, but the browser access to the Internet have to set the correct DNS

CodePudding user response:

Well, should be the problem of DNS,
QQ is the UDP protocol.
UDP protocol has a characteristic, the packet can penetrate through the layers of agent to the server, also can return to the original road,
So, two QQ client after QQ server in hand, can bypass the service side, on its own newsletter,
Greatly reduce the burden of the QQ server, but not absolute, and sometimes not communication success have to please
The server again hand in hand,

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DNS
Or protocol interception QQ: UDP web: HTTP or HTTPS

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DNS problem, try to a DNS

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1, modify the hosts file manually set a domain name, can see access to
2, doubt is e-government network optimal limit, you need to ask other and whether you are a network of normal? If possible, move a normal machine meet your network cable to try and see what you said seems to use wireless, then try to change the notebook to use your network, make sure is a network problem or a problem with your computer,
3, can change the public DNS try DNS, such as 8.8.8.8 114.114.114.114 or local operators DNS

CodePudding user response:

DNS can change the public DNS try, such as 8.8.8.8 114.114.114.114

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Before I also contact with the use of e-government network unit, the unit of government affairs nets are not allowed to link to the network, only the Intranet is special, not clear your side using the environment, whether other computers can be linked

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Foreign made access port limit?

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Suggested the following several aspects:
1, review 127.1, look at the agreement if you have any questions, please explain agreement through normal;
2, long ping gateway, alleviate cache to access issues;
3, the network connection unit, to see if a firewall or other equipment made Settings;
4, see if the machine port 80 normal enabled, or blocked.

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Export firewall strategy

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DNS problem what you set the routing of DNS Settings into DNS or 114.114.114.114 or convergence layer is a enterprise with cable net with a Wifi public the next-hop address error try turn off Wifi or designated to the next-hop gateway

CodePudding user response:

To automatically obtain the IP access to what is the address of the
Ping the IP to see if impassability
May be there are multiple DHCP
It is possible that the IP conflict

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Can see the upload operators generally three carriers in accordance with the above method, other secondary carrier service call directly!

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With 360 broken network repair, repair

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DNS configuration it is Ok, sometimes very cow B on broadband owe the QQ can

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This basically 100% find DNS issues,

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All computers are, check the router Settings

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In fact you sweep with a first aid kit without Internet security software will know what's the problem

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360 first aid kit without Internet can have a try

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What are you doing in the network switches have related policies, such as a VLAN, ACL, whether the firewall policy issue

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Repair the DNS host

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In general are DNS problem, or to check the proxy Settings,
Basic translation

CodePudding user response:

You can set the external DNS can test, if not yet, must be deployed within the local area network monitoring software, prohibit you from access to port 80, or prohibit you from access to specify the URL of the page; Such as the famous: ANYVIEW (p) network, twenty years ago can you said demand;

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Tracert www.taobao.com - d

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It is possible that MTU value question