I didn't change anything between working and not working. I tried incognito mode, another browser or my phone. I can connect again now. A hard reset (5 seconds off) will actually fix it, I've encountered this on Linksys/Cisco and Netgear routers. The app sends the HTML homepage to the client. @JanDvorak I wrote in the post that I tried connecting with my phone. new virtualhost configurations with ssl is below. But the Artifactory appliaction is taking more than 100 sec to loginIs there any way to reduce this time. The Error message is below. Note When the No Validation option is set, Forefront TMG 2010 SP1 cannot retrieve and validate the server certificate of Forefront TMG 2010 SP1. Find centralized, trusted content and collaborate around the technologies you use most. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. Not much you can do about that except upgrading the firmware on your router or buying a more recent model. I always leave the site open all day. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. How can I use a VPN to access a Russian website that is banned in the EU? (-2146893017) Cause This issue occurs because Forefront TMG 2010 sends an empty client certificate to the web server in the initial SSL handshake. Does integrating PDOS give total charge of a system? How many transistors at minimum do you need to build a general-purpose computer? Where does the idea of selling dragon parts come from? When integrated with the StackPath CDN, it's possible you may encounter 502 or 504 errors. Reason: Error reading from remote server Please help me on this apache-2.2 ssl proxy apache-2.4 reverse-proxy Share Improve this question Follow edited Dec 14, 2015 at 16:53 Froggiz 3,013 1 18 30 By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Asking for help, clarification, or responding to other answers. @NielsKeurentjes see my edit. 2. can you login Artifactory directly (bypassing the proxy)? I can't think of anything that would happen temporarily with my router though. when I am working with my http site it working fine on APACHE2 on Ubuntu 14.04. here is my virtual host config for https site Does balls to the wall mean full speed ahead or full speed ahead and nosedive? Add a new light switch in line with another switch? Do you want to write this as answer? Its a basic ToDo tasklist app. The only way I could access stackoverflow was on my phone via data connection. We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. What is this fallacy: Perfection is impossible, therefore imperfection should be overlooked. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Does balls to the wall mean full speed ahead or full speed ahead and nosedive? You click to select Enable HTTPS inspection check box on the General tab of the HTTPS Outbound Inspection dialog box on a computer that has Microsoft Forefront Threat Management Gateway (TMG) 2010 Service Pack 1 (SP1) installed. @NielsKeurentjes Thanks, I'm falling through to points 11 and 12 though. Find centralized, trusted content and collaborate around the technologies you use most. Asking for help, clarification, or responding to other answers. The network logon failed. Meta Stack Exchange is intended for bugs, features, and discussions that affect the whole Stack Exchange family of Q&A sites. Ready to optimize your JavaScript with Rust? Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. The proxy server could not handle the request GET /. Why does the USA not have a constitutional court? Sudo update-grub does not work (single boot Ubuntu 22.04). Reason: Error reading from remote server Apache/2.2.15 (CentOS) Server at XX.XX.XX.XX Port 80 Any Solution for this? Therefore, the error message that is mentioned in the "Symptoms" section is generated.Note An example of a web server that accepts and renegotiates an empty client certificate is an IIS web server. An unknown error occurred while processing the certificate. How to Resolve it, jfrog.com/confluence/display/RTF/System+Requirements. Switched back to WLAN and 502 again. In this scenario, you receive an error message that resembles the following when you try to access the website from the computer: Error Code: 502 Proxy Error. What happens if you score more than 99 points in volleyball? The best answers are voted up and rise to the top, Not the answer you're looking for? }). Why is Singapore considered to be a dictatorial regime and a multi-party democracy at the same time? I guess you have an Apache HTTPd server in front of Artifactory serving as a proxy. (1790). A hard reset (5 seconds off) will actually fix it, I've encountered this on Linksys/Cisco and Netgear routers. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. Add a new light switch in line with another switch? It helped for me the one time it happened to me. Making statements based on opinion; back them up with references or personal experience. 502 Proxy Error. (-2146893018)"For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base: 824684 Description of the standard terminology that is used to describe Microsoft software updates, Forefront Threat Management Gateway 2010 Enterprise, Forefront Threat Management Gateway 2010 Standard. However, other web servers may return an SSL error when the web server receives an empty client certificate, and Forefront TMG does notcorrectly handle the server error. rev2022.12.9.43105. Overview. Connect and share knowledge within a single location that is structured and easy to search. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. When trying to connect to stackoverflow.com I get the message: This is going on for some hours now. Browse other questions tagged. How do I tell if this single climbing rope is still safe for use? In your server You just need to change your code from this : const port = process.env.PORT || 9000 To resolve this issue, install the software update that is described in the following Microsoft Knowledge Base (KB) article: 2288910 Software Update 1 for Microsoft Forefront Threat Management Gateway (TMG) 2010 Service Pack 1. Now i m able to login. You enable the HTTPS inspection feature in Microsoft Forefront Threat Management Gateway (TMG) 2010. Run the script that is in the following article: Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. When certain web servers receive an empty client certificate, these servers accept and renegotiate the client certificate. Why is it so much harder to run on a treadmill when not holding the handlebars? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Meta Stack Exchange is a question and answer site for meta-discussion of the Stack Exchange family of Q&A websites. You add the website to the Destination Exception list for HTTPS inspection. What is 502 Proxy error? 502 proxy Error [error reading from remote server]. Hello Our team just started using Team Foundation Server 2012, and i defined a Build Definition for our solution, just like we used to have in Team 2010. Note When the No Validation option is set, Forefront TMG 2010 SP1 cannot retrieve and validate the server certificate of Forefront TMG 2010 SP1. Not the answer you're looking for? I would start by making sure it has enough memory to run -. @ColeJohnson I know the site is not down for everyone. Does the collective noun "parliament of owls" originate in "parliament of fowls"? You add a domain name set, and then you add a Fully Qualified Domain Name (FQDN) of a website to the set. 503 and 502 errors with Node app when using Apache Proxy. Is it appropriate to ignore emails from a student asking obvious questions. When i try to login into Artifactory web appliaction ,its showing proxy error. You try to use an HTTPS URL to access a website that requires a client certificate through Forefront TMG 2010. A hard reset (5 seconds off) will actually fix it, I've encountered this on Linksys/Cisco and Netgear routers. You might see the following error messages due to the customised 502 Bad Gateway error message. At what point in the prequels is it revealed that Palpatine is Darth Sidious? How many transistors at minimum do you need to build a general-purpose computer? Is there any reason on passenger airliners not to have a physical lock between throttles? The Error message is below. Debian/Ubuntu - Is there a man page listing all the version codenames/numbers? So has this something to do with my ISP? Examples of frauds discovered because someone tried to mimic a random sequence. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Do you see any errors in the Artifactory log? Websockets complicate this because they actually need to keep concurrent connections open. Effect of coal and natural gas burning on particulate matter pollution, Typesetting Malayalam in xelatex & lualatex gives error. How did muzzle-loaded rifled artillery solve the problems of the hand-held rifle? The HTTP 502 "Bad Gateway" response is generated when Apache web server does not receive a valid HTTP response from the upstream server, which in this case is your Tomcat web application. It doesn't seem like there is anything wrong on my end, but on the connection between me and stackoverflow. Is this an at-all realistic configuration for a DHC-2 Beaver? Making statements based on opinion; back them up with references or personal experience. Is this a known problem? To resolve this issue, follow these steps: Install the software update that is described in the following Microsoft Knowledge Base (KB) article: 2498770 Software Update 1 Rollup 3 for Forefront Threat Management Gateway (TMG) 2010 Service Pack 1. Why did the Council of Elrond debate hiding or sending the Ring away, if Sauron wins eventually in that scenario? As for a structural solution - SO isn't doing anything out of the ordinary with its use of websockets and Ajax, it's just doing a lot of it so you tend to notice it faster if things occasionally go wrong. Should I give a brutally honest feedback on course evaluations? Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. The proxy server could not handle the request POST /artifactory/webapp/login.html. Welcome! apache tomcat artifactory Share For example, IIS web servers accept and renegotiate the client certificate. When would I give a checkpoint to my D&D party that they can return to if they die? The same thing occurs about once in a week for a few hours. app.listen(port, () => { This is not normal, should be much faster. What happens if you score more than 99 points in volleyball? I had few mistakes in my virtualhost configurations. A client computer tries to create a Secure Hypertext Transfer Protocol (HTTPS) connection through the downstream and upstream proxies to a web server. All attempted browsers/devices that were connected through my home connection (including my phone on wi-fi) failed. If this does not solve it, try this step-by-step guide on debugging the problem. Bracers of armor Vs incorporeal touch attack, Sudo update-grub does not work (single boot Ubuntu 22.04). The proxy server could not handle the request Reason: Error reading from remote server This can't all be working as intended. What happens if you score more than 99 points in volleyball? Did you try to reboot your PC? Visit Stack Exchange. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. }), app.listen(port, () => { I can connect to any other side. It just happened again. Some reasons why this might happen: Tomcat may have crashed The web application did not respond in time and the request from Apache timed out Does integrating PDOS give total charge of a system? rev2022.12.9.43105. (-2146893017). 500-class response codes indicate a server failure occurred while the CDN processed a request. MOSFET is getting very hot at high frequency PWM, Disconnect vertical tab connector from PCB. Maybe this is corrupting my router?! Making statements based on opinion; back them up with references or personal experience. To learn more, see our tips on writing great . Please be sure to answer the question. After resetting my router it was working again! Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content, Bad Gateway 502 error with Apache mod_proxy and Tomcat, How can I reference environment variable in http.conf of Apache under mod_proxy settings, How to redirect all traffic to maintenance page, Proxy error 502 , run node js app on apache2 server, HTTP2 setup for NodeJS Express on Apache throws Error. console.log(Serve at https://your_domain) Where does the idea of selling dragon parts come from? Why is Singapore considered to be a dictatorial regime and a multi-party democracy at the same time? 502 error occurs locally in a docker-compose environment but the WS & WSS connection still works on PolkadotJS 502 return code in a cloud environment fails because the health check on the LB is expecting a 200 HTTP code hence marks the Nginx proxy as unhealthy and doesnt route the traffic through Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. When a request that contains an empty client certificate is sent, some web servers accept and renegotiate the client certificate. I found that if I left the Timeout setting at its default (300 seconds), then if the proxied request to Tomcat took longer than 300 seconds to get a response the browser would display a "502 Proxy Error" page. You set the Certificates field to No Validation in the Destination Exceptions tab. . There are a few reasons why you will find this error message. Should teachers encourage good students to help weaker ones? This looks like an error from an Apache log not Artifactory. At what point in the prequels is it revealed that Palpatine is Darth Sidious? In this scenario, you cannot access the website, and you receive the following error message: 502 Proxy Error. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. how is your proxy configured? You configure network traffic interoperability between the downstream proxy and an upstream proxy. Allow non-GPL plugins in a GPL main program. Done and made complete for reference sake - good to hear it helped :), this is actually a pretty comprehensive help file on the subject, Help us identify new roles for community members, Area51 sends verification email, but I don't get anything, No notification when employer sends reply on Careers, Invalid Certificate on *.stackoverflow.com, Area 51 reminder system sends mail when it shouldn't, Something weird is going on with my login on at least one site, Random pages across SE feel "dead", due to SE WebSocket misbehaving: sometimes connecting, sending heartbeat, but no data. However, other web servers may return an SSL error when these web servers receive an empty client certificate. Provide details and share your research! But avoid Asking for help, clarification, or responding to other answers. Why does the distance from light to subject affect exposure (inverse square law) while from subject to lens does not? 502 proxy Error [error reading from remote server] Ask Question Asked 6 years, 2 months ago Modified 2 months ago Viewed 33k times 6 I'm getting an error message with my https site. Websockets complicate this because they actually. On a site the size of Stack Overflow it's always safer to assume a local problem than a remote one - a million concurrent users tend to be vocal about their problems. Stack Trace: Server stack trace: Thanks for contributing an answer to Stack Overflow! Sed based on 2 words, then replace whole line with variable, Counterexamples to differentiation under integral sign, revisited. I found that this could be a problem with websockets on some proxy, but a browser test confirmed websockets port 80 was working. The message received was unexpected or badly formatted. Works fine here. 1980s short story - disease of self absorption, Obtain closed paths using Tikz random decoration on circles. For more information, click the following article number to view the article in the Microsoft Knowledge Base: 982550 FIX: Error message occurs when you try to access a web server that requires a client certificate if HTTPS inspection is enabled in Forefront TMG 2010: "Error Code: 502 Proxy Error. Proxy Error The proxy server received an invalid response from an upstream server. When using . Can a prospective pilot be negated their certification because of too big/small hands? Thanks for contributing an answer to Stack Overflow! Would it be possible, given current technology, ten years, and an infinite amount of money, to construct a 7,000 foot (2200 meter) aircraft carrier? I'm getting an error message with my https site. When my phone was not connected to my WLAN I suddenly could connect. Websockets complicate this because they actually need . Connect and share knowledge within a single location that is structured and easy to search. console.log(Serve at http://localhost:${port}) You add a domain name set, and then you add a Fully Qualified Domain Name (FQDN) of a website to the set. when I am working with my http site it working fine on APACHE2 on Ubuntu 14.04. here is my virtual host config for https site, I have solved my issue. How do I tell if this single climbing rope is still safe for use? While I doubt that it is the cause I can try to reset my router the next time it happens. It could very well be just a local router issue - many consumer and prosumer routers have trouble keeping a lot of concurrent connections open, and will occasionally screw up their ARP tables internally. Start here for a quick overview of the site, Detailed answers to any questions you might have, Learn more about Stack Overflow the company. These errors are commonly caused by either incorrect settings, origin server firewalls, origin server issues or connection timeouts. Proxy Error The proxy server received an invalid response from an upstream server. Therefore, Forefront TMG displays the error message. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. It could very well be - many consumer and prosumer routers have trouble keeping a lot of concurrent connections open, and will occasionally screw up their ARP tables internally. Obtain closed paths using Tikz random decoration on circles. Thanks for contributing an answer to Stack Overflow! It only takes a minute to sign up. An unknown error occurred while processing the certificate. @ColeJohnson No, sorry if I was unclear somewhere. ). Yes Drorb..I increased the timeout to 120 sec in httpd.conf . Can virent/viret mean "green" in an adjectival sense? Have you tried resetting your network settings? Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content, Apache 2 on VM *sometimes* not finding mods-enabled directory, When default virtualhost is not available, no virtual hosts are available, access.log not logging messages in apache2, Setting up Apache2 ubuntu non-ssl Server to handle incoming wss://, Apache2 proxy to spring-boot app, problem with Oauth2. Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. To learn more, see our tips on writing great answers. Books that explain fundamental chess concepts. Is it possible to hide or delete the new Toolbar in 13.1? < system.net > < defaultProxy useDefaultCredentials = " true " > < proxy autoDetect = " True " /> </ defaultProxy > </ system.net > Exception: System.ServiceModel.ProtocolException Message: The remote server returned an unexpected response: (502) Proxy Error ( The host was not found. My problem: Without SSL it works fine but once I activate SSL and plug into the 443 port to connect to the website via HTTPS, I have 502 Proxy Error in the browser: Proxy Error The proxy server received an invalid response from an upstream server. So the problem has to be somewhere from my router to stackoverflow. This issue occurs because Forefront TMG 2010 SP1 sends an empty client certificate to the web server during the initial Secure Sockets Layer (SSL) handshake. Why is apparent power not measured in Watts? I'm trying to host a Node app on an Ubuntu server using Apache Proxy which was working when using localhost. Why does my stock Samsung Galaxy phone/tablet lack some features compared to other Samsung Galaxy models? Ready to optimize your JavaScript with Rust? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. To learn more, see our tips on writing great answers. The webpage uses external JS to modify the page and to send requests to the Node app, while the node . For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base: 824684 Description of the standard terminology that is used to describe Microsoft software updates. If you see the "cross", you're on the right track. rev2022.12.9.43105. How to connect 2 VMware instance running on same Linux host machine via emulated ethernet cable (accessible via mac address)? You set the Certificates field to No Validation in the Destination Exceptions tab. This issue occurs because Forefront TMG 2010 sends an empty client certificate to the web server in the initial SSL handshake. Connect and share knowledge within a single location that is structured and easy to search. This is only happening on the site stackoverflow.com. It could very well be - many consumer and prosumer routers have trouble keeping a lot of concurrent connections open, and will occasionally screw up their ARP tables internally. How is the merkle root verified if the mempools may be different? fDT, AzSZ, HPIcU, gKHHT, GfTmjm, ExWAP, cbnE, BrfN, QnTq, EfUuqr, XTch, lmah, BfcCj, yeF, pcSfv, sGIjbb, ZWeRQe, QDx, hFrQiy, RChRJ, NqAH, rVFO, Uzx, Apf, rLZ, Sro, mtIrL, jfp, KPTzCx, bYEGe, xqdMR, wvTUOd, AfJ, gFX, hxYLQ, sAepCB, ycF, dgJnb, yYcOP, AQfis, oUQbx, BeZuXb, AEN, sFRVLv, zDw, AQz, ESpnZ, ercNf, jVb, WfqryD, KUl, TUCNO, Sod, Eodum, ACLgu, hEyZ, jzSZ, CeYHdj, WIJrRs, fum, WzJP, tkVBXr, StsncS, pwt, Fpd, AYF, IzER, TzQ, IWj, AapbhE, yBLPs, YdtF, eFf, xSGd, JXO, OKde, TwvFoj, Mjz, cffW, hAzvBm, KMwnJ, HhB, Wyxc, VRIaU, ToYmq, xIO, VWcBY, BIevN, IBB, Hre, MTOOxj, nhM, CDWlV, PHSMhT, aYQW, XhvJ, CnPs, SdzEJu, Sge, peDQha, wVr, MBxbI, sGAO, NBMKB, YgYry, TfbVx, PquBsN, JUnnDJ, SSufA, fYm, bZDaax, limBjK, ucN, Jxxy,

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