Questions tagged [http]
All about programs and services that use the Hypertext Transfer Protocol.
310
questions
0
votes
0
answers
34
views
ufw rule supposed to block traffic but iptables allows it
As a test I wanted to temporarily block access to my website. So, I deleted http/https rules using ufw delete command. ufw is set to default deny incoming. The only remaining rule is the one allowing ...
- 177
0
votes
1
answer
67
views
Debian (and ubuntu) having throubles in downloading apt-get updates if I use https
As stated in the previous question: How can i force apt-get or apt to use only https connections
deb https://deb.debian.org/debian bookworm main
deb https://security.debian.org/debian-security ...
- 2,816
0
votes
0
answers
59
views
why do I have requests from inside apache server with source ports 80 and 443
On one machine, I have a web server running (apache) and responding on ports 80 and 443. On this machine, I have a firewall (shorewall) that blocks everything except what I authorize, and I therefore ...
- 43
0
votes
0
answers
222
views
How to stream local audio to HTTP
How can I set up a HTTP audio streaming server that I can access on http://localhost:8080 without specialized software or configuration on the local side? (the remote side, which streams the audio, ...
- 420
0
votes
1
answer
50
views
what should be the format of http logs of a proxy?
In this specific case I am using fabio and nginx and apache http proxy that just proxies requests to destinations.
Both the "Combined Log Format" and "Common Log Format" do not ...
- 860
0
votes
1
answer
44
views
Http outperformed Http2 ,why, please help me to figure out?
I'm currently conducting performance testing on my NGINX web server container and I'm encountering some unexpected results. My tests show that HTTP performance is outperforming HTTP/2, despite SSL and ...
- 1
1
vote
1
answer
351
views
UEFI HTTP Boot clarity?
I'm interested in learning more about UEFI HTTPBoot and setting it up for my
LAN as a netboot option, but the details are notably sparse. The best docs I've
found are Suse Docs for
configuring an HTTP ...
- 113
0
votes
1
answer
621
views
A simple command-line utility to show HTTP request/responses on a specific port
I have a simple API that listens on http://localhost:5000 and I have the Nginx as a reverse proxy that listens on https://example.com.
I have configured Nginx to send headers to my API:
location /
...
- 639
1
vote
2
answers
435
views
UEFI HTTP boot only: GRUB2 used a mysterious HTTP agent "UefiHttpBoot/1.0" to load initrd and failed to completely read large initrd
I was using GRUB for UEFI PXE boot or UEFI HTTP boot of a Linux Live OS (made by Ubuntu Focal or Bionic or Jammy). I used the same grub.cfg for both methods. It worked well under UEFI PXE boot, but ...
- 472
0
votes
1
answer
892
views
HTTP version for CURL command on server and docker image
When I'm doing a CURL call curl https://example.com from a docker container, I got the error curl: (92) HTTP/2 stream 0 was not closed cleanly: HTTP_1_1_REQUIRED (err 13). But when I'm running the ...
- 29
0
votes
0
answers
140
views
Unable to parse HTTP packet using netfilter hooks in kernel module
I am trying to parse HTTP packets using netfilter hooks in my kernel module. I came across this code snippet on How to print data from TCP packets which I modified to make it build. However, I am ...
- 101
0
votes
0
answers
91
views
How to use command line to trigger/request a jsp web page?
My friend asked me when need to sync files and then open a webpage like:
Http://foo.my_friend_server/request_to_sync.jsp
then his program will start the sync operations.
but I need to do this in the ...
- 843
0
votes
0
answers
15
views
Is the concept of file permission only applicable when access is via shell? [duplicate]
So in Linux we have a concept of file permission. There are three classes: user, group, and others, and there are three types of permissions: read, write, and execute.
Now consider this. You are on a ...
- 103
-1
votes
1
answer
69
views
Is the concept of file permission only applicable when access is via shell?
So in Linux we have a concept of file permission. There are three classes: user, group, and others, and there are three types of permissions: read, write, and execute.
Now consider this. You are on a ...
- 103
2
votes
0
answers
263
views
How do you fetch a large file over http in parallel?
Question:
Since HTTP supports resuming at an offset, are there any tools (or existing options for commands like wget or curl) that will launch multiple threads to fetch the file in parallel with ...
- 313
2
votes
1
answer
483
views
Some secret service is taking over port 80... I can't identify which one?
I have an nginx service that resides on ports 80 and 443 and has done som for years. Yesterday I suddenly just got a plain text page with a 404 page not found message
Headers:
HTTP/2 404
content-type: ...
- 173
0
votes
0
answers
176
views
Error Trying to load http url using curl
I am beginner. I am trying to load HTTP URL using curl in my Ubuntu terminal.
The command I am using is
curl -L 'http://google.com'
But instead of getting source code. I am getting below error
curl: ...
1
vote
0
answers
68
views
apache2 crit error file util_ldap.c, line 85, assertion "0" failed
I have simple webservice with one index.html file with hello world
And I'm trying to make this website accessible only with LDAP authentication, but when I trying to access website errors start occur....
- 111
0
votes
2
answers
67
views
why iptables commands yield seemingly contradictory results on my embeded Linux?
I'm running an Embedded Linux system, whose kernel is 3.18.21, with some applications on top it on MIPS. When I run iptables & ip6tables on the Linux, such as the following:
iptables -A INPUT -p ...
- 203
0
votes
0
answers
353
views
How to redirect all http traffic to Burp Suite?
How to redirect all HTTP requests to Burb Suite?
I am using a Ubuntu OS running on VM installed on my macOS machine, and I have tried the following IPTables commands to do that, without success:
sudo ...
- 3
0
votes
1
answer
201
views
How does it works the "HTTP 101 Protocols Switching" in a client server communication?
I'm developing a web site that is served by the web server NGINX installed on a Linux platform. One of the service provided by the web site is base on a WebSocket backend server.
To be more specific ...
- 247
1
vote
1
answer
6k
views
Curl returning with no response and does not wait for `wait=x seconds`
I call an async service that takes ~80 seconds to respond. I run:
curl -v -X POST https://hostname.com/service/v2/predict \
-H 'x-api-key: somekey' \
-H 'x-request-id: longfiles' \
-H "...
- 4,829
1
vote
0
answers
41
views
Has the target of a HTTP CONNECT tunnel to be reachable from both client and proxy?
I am trying to tunnel ssh via HTTP. My apache virtual host config looks as follows:
<VirtualHost *:443>
ServerName proxy.example.org
ProxyRequests On
AllowCONNECT 22
<Proxy *&...
- 11
0
votes
1
answer
116
views
How to define HTTP_PROXY uppercase as http_proxy lowercase in macos?
How to define HTTP_PROXY uppercase as http_proxy lowercase in macos?
Is there a way to set HTTP_PROXY to work similarly as http_proxy?
- 3
1
vote
0
answers
930
views
Upload file to SFTP directly from HTTP using cURL
I am struggling with uploading a file to an SFTP from a URL. All steps work independently but when I combine them they seem to be split into two separate tasks, downloading the file and then ...
0
votes
1
answer
801
views
Intercept and edit http requests on the fly
Is there a tool that'll let me programatically inspect and edit http requests being emitted from my box on the fly?
I'm hoping to create the ability to access mirrors of commonly downloaded files when ...
- 105
1
vote
2
answers
337
views
Print output of httpie command, then pipe to grep
how can I print output of httpie request then pipe to grep to check if request has succeeded or failed?
http --print=hb POST http://localhost:8080 | grep -c "HTTP/1.1 200" && echo &...
- 113
0
votes
1
answer
529
views
how to make sure the proxy works or not in macOS iterm
Now I am set the proxy in .zshrc like this:
alias proxy='export all_proxy=socks5://127.0.0.1:7890'
and check using the env command in terminal, shows the proxy env value like this:
all_proxy=socks5://...
- 589
0
votes
1
answer
34
views
How do I set up my raspberry pi so that I can connect to its ip address via a domain
Let me explain what I want to happen.
I have an http server program that displays a website every time I connect to my raspberry pi's ip address on port 8080. But this only works on my current network....
- 35
0
votes
0
answers
289
views
firewalld not blocking http and https access
I am running a httpd container on this machine, but http or https aren't enabled on firewalld. But I can still access the website from another machine that is on the same network. Why is this behavior?...
0
votes
1
answer
2k
views
Curl Parallel requests using links source file
I have this script to go through a list of URLs and the check return codes using Curl.
Links file goes like this:
https://link1/...
https://link2/...
https://link200/...
(...)
The script:
INDEX=0
DIR=...
- 325
0
votes
1
answer
340
views
Server responses with IP Address instead of host name
I have a Backend which is used as a REST API. When I make a request to the server (GET https://subdomain.server.com/users/all) I get this response from the server:
GET https://87.69.152.36/users/all
...
- 1
1
vote
0
answers
2k
views
why could access url using curl but faild in the google chrome broswer
I am config the localhost url in the nginx on macOS like this:
➜ nginx git:(master) cat conf.d/reddwarf-admin.conf
server {
listen 8083;
server_name admin.reddwarf.com;
...
- 589
0
votes
1
answer
472
views
Streaming audio files over HTTP with Media Player Daemon fails - 'Not found'
I'm trying to set up a simple MPD instance to stream audio files over HTTP. What I'd like to be able to do is put in a URL in my browser, which will stream the audio file - as simple as possible.
I've ...
- 1
0
votes
0
answers
174
views
since when CentOS has a welcome page with the default http server
On my network, I have many CentOS VMs with various versions dating from very recently to 10-15 years ago. For some of them I don't have credentials but I want to check if I should keep them by the ...
- 101
0
votes
1
answer
225
views
How to obtain data from a site that uses javascript?
What I want is to query metallum to obtain a plain list of songs that contain x word, let's say spider, so the query for the browser would be https://www.metal-archives.com/search?searchString=spider&...
- 41
0
votes
1
answer
923
views
Open URL as if with browser from command line
I am having roughly the same problem as in this question, where the problem is, there is a certain URL that, when called in the browser, will download a file, but when called from the command line ...
- 135
0
votes
1
answer
9k
views
Return status code and body in curl
Is it possible to use curl to call a REST service (POST method) and get:
The HTTP status code.
The response body.
Other information like headers, methods, etc. are not relevant for my use case and ...
- 103
0
votes
0
answers
148
views
Sniffing traffic at embedded linux
Are there any sniffers out there? I'm looking for something that can be compiled for an embedded device.
Important: I'm not limited in space. Therefore it can be any-size sniffer that can be compiled ...
1
vote
0
answers
2k
views
How to use curl to access a webpage behind a login form?
There is this webpage I'm trying to scrape but it is behind a login form that needs user/password.
I used Firefox debug mode to find HTTP requests. Upon entering the credentials, there is a POST ...
-1
votes
1
answer
152
views
Why can't http be changed to https in ubuntu?
Why can't http be changed to https in ubuntu?
Err:1 https://ports.ubuntu.com/ubuntu-ports focal InRelease
Could not connect to ports.ubuntu.com:443 (91.189.91.38). - connect (111: Connection refused)...
- 130
1
vote
1
answer
260
views
Website served on port 80 unreachable from my phone in the local subnet
I'm building a website on my laptop. To see how it renders, I serve it locally on port 80 with lighttpd. I can then open it in my laptop's browser via any IP or URL referring to the laptop http://...
- 1,473
0
votes
0
answers
126
views
Is it real to redirect http request like this?
e.g. Main server runs nginx and checks http request hostname. If hostname matches exampleX.com - redirects to needed local server with its own nginx on board. Local server returns page content. Is it ...
0
votes
0
answers
599
views
Compiling curl with http3 - stuck on step with ngtcp2
I'm trying to compile curl with the experimental http3/quic stack. I've read and followed cookbook examples in a couple of places (most specifically here(https://github.com/curl/curl/blob/master/docs/...
1
vote
1
answer
7k
views
How to send curl request with post data imported from a file
I have a below curl command which works fine and I get the response back. I am posting json data to an endpoint which gives me response back after hitting it.
curl -v 'url' -H 'Accept-Encoding: gzip, ...
- 47
1
vote
1
answer
965
views
PHP shell_exec() Command not found
I need to execute a program using php, the file in question is ClustalW (clustalw2). My apache user is http using fish shell, so I moved clustalw2 to /srv/http/Clustal and added the dir to fish path.
...
- 23
-1
votes
1
answer
58
views
Can an open port be hacked to get access to the command line?
Assume I run a custom app on an arbitrary port on a linux box - let's say 7890.
This is a go language web server. Runs an app on top of HTTP. No HTTPS. It runs as a dedicated but "normal" ...
- 283
1
vote
1
answer
520
views
How do I serve *nothing* on a server's bare IP with Apache2 virtual hosts?
I am hosting several project sites on a machine running Apache. Of course I am using virtual hosts and they work as expected. However, currently accessing the bare IP of the machine yields the first ...
- 13
0
votes
1
answer
40
views
nginx re-direct to API server in EC2
I have an EC2 server (in Private subnet) from where I run some Python microservice. From my application running on an Apps EC2 (in public subnet) I am trying to access the Python microservices.
I ...
- 13
0
votes
1
answer
662
views
Ubuntu sudo required for listening on port 80 but not on other unused ports
On my Ubuntu desktop, I'm able to successfully run a small C++ webserver on unused ports like this:
./myserver 127.0.0.1 3050
This problem is that if I run on port 80, I must run as sudo like this:
...
