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Questions tagged [http]

HTTP (Hypertext Transfer Protocol) is the protocol most commonly used to transfer information around the World Wide Web.

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Validity of connection tokens in HTTP "Connection" header

Is there any rule as to what can be sent as a connection token in the HTTP "Connection" header? For example, are non-alphanumeric characters (besides -) like { or / allowed? Also, is there a ...
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Firefox allow HTTP URLs (and not force HTTPS)

tl;dr I want to browse an http-based URL but Firefox will not let me. A local network HTTP server is at http://host (port 80) and the corresponding HTTPS server is at https://host (port 443). When I ...
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How to access the router USB from the internet?

I want to host a simple page on the router, Here is some info's I have static IP to be connect to a domain The router is Huawei DG8045 I connected USB to the router and formatted it as FAT32 The ...
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Only `.app` domains not working in the hosts file

I wanted to simulate my site's .app domain in the address bar while developing, by putting my site.app domain in the /etc/hosts file like so: 127.0.0.1 site.app www.site.app But if I then visit site....
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1 vote
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Sending http/https requests to a specific server behind router

Let me start by saying that I am fairly new to Hyper-V and networking. In my current setup I have 3 separate servers running Windows Datacenter 2022, one of which is running a Hyper-V VM. I have given ...
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  • 11
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HTTPS and HSTS headers issue

In my scenario we currently have www3.example.com routing through a few different paths. Could you please advise how we should correct this to be a better approach, possibly just redirecting even? &...
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2 answers
111 views

How can I intercept (not just monitor) HTTP requests/responses so that I can edit the contents before they're sent/received?

I am trying to intercept HTTP responses from requests sent by my web browser so that I can edit the response before it is received by the browser. More specifically, I want to modify a JS file by ...
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36 views

Unable to access internal websites that starts with HTTP when I run powershell command to check website status

I'm getting "Unable to run/search" for the status for http://example.com/ but for those that starts with HTTPS:// has no issue, I am getting Status: 200 with OK. What I need to add on my ...
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How do i force vlc when buffering occurs to play live content instead of continuing where it stopped

I'm playing MPEG-TS stream over http, sometimes buffering occurs due to connection problems, in order not to get live delay, how do i force vlc to play the stream at the same timestamp if it did not ...
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1 answer
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How is the realm value set in HTTP basic authentication?

I have a D-Link (DCS-932L) web camera in my network. I have unpacked the firmware using binwalk and I am attempting to locate the config/file that populates the realm value but I cannot find any ...
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How to list a directory's files from a remote client?

Within my connected machines (on same network) (the ping is OK) i try to list the directory files of a remote machine through HTTP like so: http://serverHost/C:/Users/Administrator/Documents/...
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54 views

How can I configure Postman so that it uses HTTP instead of HTTPS when querying an API?

I use Postman on Microsoft Windows 10 to test some API. By default, it uses HTTPS when querying an API. How can I configure Postman so that it uses HTTP instead of HTTPS when querying an API?
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Curl and etc. HTTP requests not working when I connected to vpn

Please tell me how to solve next problem: Curl and etc. HTTP requests not working when I connected to vpn. I get a simple error - "could not resolve host". But when i disconnect from vpn ...
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1 answer
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Microservice HTTP port connection failure on Windows Server

We have written (in Go and Delphi) several Windows microservices, which respond to HTTP requests on specific ports in the 11000-12000 range. These are designed to run internally within the Domain or ...
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1 answer
202 views

Cannot access my router webpage because Chrome forces https

I cannot access my router webpage which is http://192.168.1.1 because it gets redirected to https://192.168.1.1 (gives me ERR_SSL_VERSION_OR_CIPHER_MISMATCH). I know that google switched to https for ...
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1 answer
32 views

Why only some PDFs can be read in the browser?

Using e.g. chromium, some PDFs can be read in the browser, with the URL of the PDF staying in the address bar e.g. http://www.africau.edu/images/default/sample.pdf, and some other can only be ...
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Why is our wireless guest network not redirecting users to the webauth login page?

I'm trying to figure out the cause for what I assume is a webauth error. In our organization's wireless network we have a guest SSID that uses webauth. When you access the network you are supposed to ...
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3 answers
184 views

Homepage shows as not secure until I reload it

When I start my browser (e.g. Chrome) and enter something in the address bar (not a URL but a word for example) then it redirects me to the Google search for this word. In these cases there is not the ...
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1 vote
0 answers
66 views

Figure out what makes a 302 redirect for site on Chrome / Firefox (Apache-server)

A site is running on a production environment, and needs to stay there, while I move and play with it on an online staging environment. I moved all the files and pointed my host-file to the staging-...
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  • 113
-1 votes
2 answers
252 views

Is it OK to host a Python's http.server accessible from the Internet?

I'm running python3 -m http.server 8080 together with port forwarding to have access to files from my laptop from anywhere. But there appeared random connections and a particular weird line: GET /${...
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1 vote
0 answers
20 views

What's the Accept-Ranges Header working principle?

What's the Accept-Ranges Header working principle? we know Accept-Ranges: bytes means the URL can be request by ranges. I have several questions about it: When Server return the URL HTTP response, if ...
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How to Enable My Laptop to Receive HTTP Requests from the Internet

Sorry for the noob question since I am clueless about some networking concepts. I am running a uvicorn server on my laptop (Linux Mint Ulyana) that I can access via localhost from my browser. I mark ...
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2 votes
1 answer
228 views

Why I use chrome request a site URL do not see Host header?

We know Host header of HTTP/1.1: All HTTP/1.1 request messages must contain a Host header field. but when I request stackoverflow.com using Chrome, I do not find a header named Host. :authority: cdn....
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proxy server refusing connection with only google.com and microsoft.com

Smartproxy is a paid HTTP proxy that provides residential ips where you pay 75$ for 5 gb of traffic for the micro plan which I'm using right now when I connect via this proxy and try to visit google ...
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37 views

Layer 7 software firewall for non-IP based FQDN rules

I have a client device which needs to connect to a number of FQDNs over HTTP/HTTPS including many that match *.example.com (for example, foo.example.com). I have a defined whitelist of these FQDNs ...
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1 vote
0 answers
103 views

Is it possible to download an MKV file starting from half-way over HTTP?

I have an MKV video file that I need to download starting form half-way through. The video encoded as h264, the audio is encoded as AAC. Normally HTTP downloads sequentially so if your download speed ...
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  • 171
1 vote
0 answers
76 views

Nginx try_files doesn't work inside server block

http { include mime.types; default_type application/octet-stream; server { root /websites; listen 80; server_name localhost; # don't work ...
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0 votes
1 answer
88 views

How to configure Google to only search for SSL/TLS-encrypted websites?

Is there a way to configure the Google Search Engine to only search for SSL/TLS-encrypted websites? What I mean by that is that when I google something, only websites with a valid HTTPS certificate ...
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2 votes
1 answer
259 views

With Chromium-based browsers, how to force-open an HTTP version of the site if HTTPS is also available?

Consider I want to open a website and force HTTP, even if an HTTPS version is available. For example, I want to browse http://deb.devuan.org/merged/dists/ (HTTP), because the HTTPS version presents ...
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0 answers
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How get dst ip if request contain custom header in tshark output?

I use tshark for filter http.request tshark -O http -Y "http.request" | grep -v -E ^[0-9a-f]{4} I get output 4 Frame 9: 404 bytes on wire (3232 bits), 404 bytes captured (3232 bits) on ...
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0 answers
27 views

Forwarding traffic from one VPN to another

I have a homelab running Debian. I connect to it via Wireguard. I would like to forward non-local http traffic through to NordVPN from the server. This way I can use my home server vpn accessing local ...
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63 views

Dahua DVR and HTTP stream

I have a Dahua DVR VR5108H-4kl and I am trying to work out how to access the cameras via HTTP stream (not RTSP). For example http://login:password@my_ip_address:port/camera1.html - Is this possible? I ...
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My router block http traffic

I'm using a regular commercial router for my network. It's blocking HTTP traffic for some reason I don't know: % curl http://google.com curl: (56) Recv failure: Operation timed out HTTPS traffic is ...
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0 votes
2 answers
109 views

Is it possible to get the server's CPU core count through a website of it?

Is it possible to get the server's CPU core count through a website of it? the demo site: ( a website ) could I get the CPU cores count of it? if I only know the domain which is on the server. My ...
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0 answers
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PuTTY redirect http to https

I am trying to make a simple GET request to www.delek.co.il/stations using PuTTY And the header: GET /stations HTTP/1.1 Host: www.delek.co.il And I am getting HTTP/1.1 301 Moved Permanently HTTP/1....
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0 votes
2 answers
910 views

"No Route to Host" when making HTTP call to Linux server

I'm trying to configure a Linux server (NGINX) to allow HTTP requests through port 80 and it just doesn't seem to budge. When I run curl localhost:80 from within the server, I get the correct response....
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2 votes
1 answer
606 views

Why there is a colon in some http header?

I'm using Chrome, don't know why some headers in request headers have a colon prefix such as ":method", ":path", while there is no colon prefix in some other headers, what's the ...
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0 votes
0 answers
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How to throttle http and https requests of proxies on a Ubuntu server

I want to throttle the requests of my self-created proxies to prevent that they get rate limited or banned on websites. They are running on a Ubuntu Server. Thanks for any answer!
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0 votes
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74 views

Can I set a SOCKS proxy that talks with http proxy?

I want to set a socks proxy that talks with my dorm http proxy. Is there any software to do that ? I tried to use cntlm for it but figured out that cntlm had not ability to do that. I think it wouldn'...
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75 views

307: hackers temporary redirect for javascript files

I have an http website, hosted by the service provider. My web pages load javascript files from the web server. Well, really standard scenario, but... When I am at home, and load web page from my web ...
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1 vote
1 answer
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Determine if there's a justified reason to block/cancel an HTTPS request (but not HTTP)

I've recently found out that a microservice I've been using (worldtimeapi.org) isn't accessible via https (but is via http) on networks other than my home network (I've tried a university's public ...
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6 votes
1 answer
2k views

How does browser know which version of HTTP it should use when sending a request?

When a browser sends a request to a server for the first time, how does it decide which version of HTTP it should apply? The HTTP RFC specification says: An HTTP client SHOULD send a request version ...
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  • 163
1 vote
1 answer
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Is there a way to limit the number of HTTP calls the web service function does at the same time?

I have a spreadsheet that uses the web service function (WEBSERVICE()) to look up data on an API. It's a large sheet and it seems Excel makes many requests to that API at the same time, overloading ...
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1 vote
1 answer
726 views

Codec 'mpeg4' (12) is not supported by the bitstream filter 'h264_mp4toannexb

rohit@rohit:~/Desktop/hyland$ ffmpeg -y -i sample.mov -codec copy -bsf h264_mp4toannexb -map 0 -f segment -segment_time 5 -segment_format mpegts -segment_list "segments/prog_index.m3u8" -...
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0 votes
0 answers
51 views

Connection reset for one specific website, on all browsers, on one specific computer

tl;dr version Site works on all other machines on same network Site gives ‘connection reset’ error on all browsers on problematic machine All other websites work fine on problematic machine as well ...
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1 vote
1 answer
128 views

Set up of a python http web server is hanging

I'm attempting to set up a http.server using python (3.85) on a windows 7 PC. Using These instructions I paste python -m http.server 8000 at the command line of my desired directory in a terminal ...
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How to show a HTTP stream from VLC Player in Wireshark?

I just set up a HTTP stream of a video between my Server and Client system using the VLC media player (using the command line). Both the systems run Ubuntu 20.04 vlc -vvv <path to video file> --...
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1 vote
0 answers
80 views

Can't access localhost via IPv4 - but IPv6 works

I can't access 127.0.0.1 or my own IPv4 address (192.168.178.xx) in any browser, while the IPv6 address [::1] works. More information: My OS is Windows 10 Pro 20H2 19042.985. Pinging 127.0.0.1 and my ...
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1 vote
0 answers
49 views

How to pass binary data and meta-data using HTTP GET

I'm using BaseHTTPServer.BaseHTTPRequestHandler in order to implement my server. currently I repsonse to get request with merely binary data file. self.send_response(200) self.send_header("...
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  • 221
1 vote
1 answer
90 views

Why can't HTTP URLs be resolved on my local network?

If I visit, for instance, http://tutor.com in any browser on my computer, I get a network timeout. But if I visit https://tutor.com it loads. This problem occurs with all devices on the network (...
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