Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. crt.sh | example.com), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.
My domain is: ctf.sonoma.edu
I ran this command:
# certbot certonly --nginx -d ctf.sonoma.edu --dry-run
It produced this output:
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator nginx, Installer nginx
Starting new HTTPS connection (1): acme-staging-v02.api.letsencrypt.org
Simulating a certificate request for ctf.sonoma.edu
Performing the following challenges:
http-01 challenge for ctf.sonoma.edu
Waiting for verification...
Challenge failed for domain ctf.sonoma.edu
http-01 challenge for ctf.sonoma.edu
Cleaning up challenges
Some challenges have failed.
IMPORTANT NOTES:
- The following errors were reported by the server:
Domain: ctf.sonoma.edu
Type: unauthorized
Detail: 130.157.3.120: Invalid response from
http://ctf.sonoma.edu/.well-known/acme-challenge/ksx8wFC_BqUX_UJMrU9PbLJsntpJvnSi_-oobidZcHg:
503
To fix these errors, please make sure that your domain name was
entered correctly and the DNS A/AAAA record(s) for that domain
contain(s) the right IP address.
I ran this command:
# systemctl stop nginx
# certbot certonly --standalone -d ctf.sonoma.edu --dry-run
It produced this output:
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator standalone, Installer None
Starting new HTTPS connection (1): acme-staging-v02.api.letsencrypt.org
Simulating a certificate request for ctf.sonoma.edu
Performing the following challenges:
http-01 challenge for ctf.sonoma.edu
Waiting for verification...
----------------------------------------
Exception happened during processing of request from ('::ffff:54.212.17.137', 47978, 0, 0)
Traceback (most recent call last):
File "/usr/lib64/python2.7/SocketServer.py", line 295, in _handle_request_noblock
self.process_request(request, client_address)
File "/usr/lib64/python2.7/SocketServer.py", line 321, in process_request
self.finish_request(request, client_address)
File "/usr/lib64/python2.7/SocketServer.py", line 334, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "/usr/lib/python2.7/site-packages/acme/standalone.py", line 208, in __init__
BaseHTTPServer.BaseHTTPRequestHandler.__init__(self, *args, **kwargs)
File "/usr/lib64/python2.7/SocketServer.py", line 649, in __init__
self.handle()
File "/usr/lib/python2.7/site-packages/acme/standalone.py", line 217, in handle
BaseHTTPServer.BaseHTTPRequestHandler.handle(self)
File "/usr/lib64/python2.7/BaseHTTPServer.py", line 340, in handle
self.handle_one_request()
File "/usr/lib64/python2.7/BaseHTTPServer.py", line 310, in handle_one_request
self.raw_requestline = self.rfile.readline(65537)
File "/usr/lib64/python2.7/socket.py", line 476, in readline
data = self._sock.recv(self._rbufsize)
error: [Errno 104] Connection reset by peer
----------------------------------------
----------------------------------------
Exception happened during processing of request from ('::ffff:66.133.109.36', 15125, 0, 0)
Traceback (most recent call last):
File "/usr/lib64/python2.7/SocketServer.py", line 295, in _handle_request_noblock
self.process_request(request, client_address)
File "/usr/lib64/python2.7/SocketServer.py", line 321, in process_request
self.finish_request(request, client_address)
File "/usr/lib64/python2.7/SocketServer.py", line 334, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "/usr/lib/python2.7/site-packages/acme/standalone.py", line 208, in __init__
BaseHTTPServer.BaseHTTPRequestHandler.__init__(self, *args, **kwargs)
File "/usr/lib64/python2.7/SocketServer.py", line 649, in __init__
self.handle()
File "/usr/lib/python2.7/site-packages/acme/standalone.py", line 217, in handle
BaseHTTPServer.BaseHTTPRequestHandler.handle(self)
File "/usr/lib64/python2.7/BaseHTTPServer.py", line 340, in handle
self.handle_one_request()
File "/usr/lib64/python2.7/BaseHTTPServer.py", line 310, in handle_one_request
self.raw_requestline = self.rfile.readline(65537)
File "/usr/lib64/python2.7/socket.py", line 476, in readline
data = self._sock.recv(self._rbufsize)
error: [Errno 104] Connection reset by peer
----------------------------------------
Challenge failed for domain ctf.sonoma.edu
http-01 challenge for ctf.sonoma.edu
Cleaning up challenges
Some challenges have failed.
IMPORTANT NOTES:
- The following errors were reported by the server:
Domain: ctf.sonoma.edu
Type: unauthorized
Detail: 130.157.3.120: Invalid response from
http://ctf.sonoma.edu/.well-known/acme-challenge/lcMnBGvGLP0uK9tAlpplWi_YeWbujB7WxWK3dVyfsM4:
503
To fix these errors, please make sure that your domain name was
entered correctly and the DNS A/AAAA record(s) for that domain
contain(s) the right IP address.
My web server is (include version):
# nginx -v
nginx version: nginx/1.20.1
The operating system my web server runs on is (include version):
# uname -a
Linux ctf.sonoma.edu 3.10.0-1160.59.1.el7.x86_64 #1 SMP Wed Feb 23 16:47:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
My hosting provider, if applicable, is:
I can login to a root shell on my machine (yes or no, or I don't know): yes
I'm using a control panel to manage my site (no, or provide the name and version of the control panel): no
The version of my client is (e.g. output of certbot --version
or certbot-auto --version
if you're using Certbot):
# certbot --version
certbot 1.11.0