Proxy IP Connection Failure Solution | Common Error Codes Troubleshooting Guide

I. First aid measures for sudden loss of proxy IP connection

When a proxy IP suddenly fails to connect, don't rush to change the IP first. try.Reboot local network devices(Optical Cat/Router), this operation solves the burst connection problem above 50%. If it is a Windows system, at the command prompt enteripconfig /flushdnsClear your DNS cache, sometimes the web page won't open just a domain name resolution problem.

Special note for ipipgo users: residential agents need to beComplete three-stage validation(IP:Port:Account Password), many people fill in the authentication information in the wrong location resulting in connection failure. It is recommended to copy the proxy address directly in the console to avoid manual input errors.

II. The secret behind the error code

407 ErrorIt's not just an authentication failure, it could be a problem with the protocol header settings. When using ipipgo's SOCKS5 proxy, some software needs to disable the "Remote DNS Resolution" option. If the HTTPS site iscertificate warningIt is recommended that SSL/TLS full encryption be enabled in the proxy settings.

run into503 Service UnavailableDon't panic, this is usually an overload of the target server. ipipgo's Dynamic Residential IP can be set to automatically rotate the intervals, it is recommended to change the switching time from the default of 5 minutes to 2 minutes, and the new IP will be automatically replaced when this happens.

III. Special Scenario Response Program

In scenarios where long connections need to be maintained (e.g. crawlers), it is recommended to switch to ipipgo'sStatic Residential Agents. Dynamic IPs are good for privacy, but frequent changes can interrupt TCP connections. For mobile use, remember to disable your phone's "Wireless LAN Assistant" function, which will automatically switch networks and cause proxy interruptions.

When using an emulator or a virtual machine, theNetwork settings of the host computerConfigure the proxy instead of setting it up in the virtual system. When you encounter a blocked port, try the ipipgo-supportednonstandard port(3000-5000 range), avoiding common sensitive ports such as 8080 and 1080.

IV. Advanced troubleshooting toolbox

expense or outlaytcping toolInstead of the normal ping command, it can check if the proxy port is really open. When "Request timed out" is displayed, it is recommended to generate the following command in the ipipgo consoleTemporary test IP, to rule out the IP being pulled by the target site.

The capture tool Wireshark looks at three key points:TCP handshake three timesWhether or not it's done,TLS negotiationSuccessful or not,HTTP status codeWhether or not it returns. If you see a large number of RST packets, the local firewall may be blocking proxy traffic.

QA Frequently Asked Questions

Q: Why can't I use the proxy IP I just bought?
A: Check whether the time zone setting is correct, especially for cross-country agents. ipipgo's residential IP requires that the time difference between the client time and the target region is no more than 2 hours, which is a detail ignored by many users.

Q: Will there be any conflict if I open more than one proxy software at the same time?
A: Proxy settings in Windows system are global, it is recommended to use tools such as Proxifier to do application triage. ipipgo supports the creation of multiple proxy channels under the same account without the need to repeatedly purchase packages.

Q: What should I do if the proxy IP speed is fast or slow?
A: Turn it on in the ipipgo backendIntelligent Route Optimizationfunction, the system will automatically select the node with the lowest latency. Avoid using public DNS and replace it with local DNS servers provided by your ISP.

When it comes to complex situations, ipipgo's technical support team offersReal-time traffic analysisService. By uploading log files through the console's "Connection Diagnostics" function, engineers can pinpoint whether the problem is with the client's configuration, the network environment, or the proxy server. Remember, stable proxy service = quality IP resources + correct configuration method, both of which ipipgo can provide professional guarantee for you.