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Questions tagged [regex]
720 questions
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0 answers
Fail2ban make a custom fail regex filter for Nginx error log
I am new to regex. How do I write a Fail2Ban filter to match with these nxinx error log lines?
2022/11/30 00:46:19 [crit] 57811#57811: *8911 SSL_do_handshake() failed (SSL: error:141CF06C:SSL routines:tls_parse_ctos_key_share:bad key share) while…
0
votes
1 answer
Regexp header_checks in postfix for a match over multiple lines
Here's my /etc/postfix/main.cf header_checks line:
header_checks = regexp:/etc/postfix/maps/header_checks
And here is header_checks:
/From:.*email@my\.com.(\n|.)*?To:.*email@my\.com./ DISCARD
Here's portion of the header from the emails I'm…
Denny
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0
votes
1 answer
Implementing arithmetic rules in sieve to filter recipient address, is it possible?
For example, the receiver's address should have the following pattern:
last digit = (1st digit + 2nd digit)%10.
abc123@testdomain.com, PASS, 1+2=3, and the last digit is 3.
abc124@testdomain.com, FAIL, 1+2=3, but the last digit is…
stackname
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- 1
0
votes
1 answer
Playbook to extract hosts from /etc/hosts
I need help extracting hosts informations from /etc/hosts file and exporting that content to a predefined file. I created a Ansible's Playbook to this task, but the content is not written on the output file. Do you guys, can help me,…
Adelmo Silva
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- 1
0
votes
0 answers
Regular expression for url longer than 3 characters Nginx
There is a website site.ru/
I need to write a regular expression where pages longer than 3 characters only work after the first slash. If in this case there are other pages after the slash, then 404 was returned. For example
site.ru/demo ->…
All In
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- 1
0
votes
1 answer
Nginx: try_fiiles directive with variable from path
I have set up a server block that looks like this:
root /var/www/platform
location / {
index index.html;
}
location /contact {
try_files $uri /contact.html;
}
This works fine. I can go to x.com/contact and the contact.html page loads.
Now I…
ahron
- 365
- 3
- 14
0
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0 answers
Remove country code from url in Nginx
I need to configure the replacement of the URL containing the country code (code length is always 2 characters). Example:
https://example.ru/en/ => https://example.ru
https://example.ru/en/info/ =>…
0
votes
1 answer
How to properly manage Ansible regex for network device
I'm currently testing to retrieve firmware version lists on HP/Aruba switches using arubanetworks.aos_switch collection. Basically i'm just doing :
collections:
- arubanetworks.aos_switch
tasks:
- name: Launching "show flash" CLI
…
motorbass
- 303
- 2
- 12
0
votes
1 answer
NGINX: Location matches assests
I'm having issues where my location is matching a resource one server should be serving because it has the some format as a directory
With this configuration:
location ~ "/web/" {
set $upstream_host http://webServer;
set $upstream_port…
0
votes
1 answer
How to disable cache for some subpath nginx
I try to create a microcaching in Nginx by configuring that only valid for the subpath of some URI that will work.
For example :
https://example.com/path/anotherpath/view/ --> Will be cached
https://example.com/path/anotherpath/view/subview --> not…
navotera
- 101
- 5
0
votes
1 answer
Remove bunch of disconnected LUNs by shell script (regex issue)
Have a problem with my script, don't want to run same procedure 200 times with changing LUN number.
Remove the multipath device from ALL paths to the LUN, run echo 1 > /sys/bus/scsi/devices/${H:B:T:L}/delete (Where H = host:B = bus:T = target:L =…
flexman
- 1
- 1
0
votes
1 answer
Fail2ban : regex used in failregex does not work (square brackets ] issue ?!)
With fail2ban, I want to ban IPs based to the content of apache_access.log file.
This is an example of line I want match with regex rules :
197.221.254.56 - - [13/Jun/2022:22:59:59 +0200] "GET / HTTP/1.0" 400 0 "-" "-"
So, this is my fail2ban custom…
spacecodeur
- 107
- 4
0
votes
1 answer
Is it possible to access a modified query string in a RewriteCond *after* applying a RewriteRule?
Is it possible to access a modified query string in a RewriteCond after applying a RewriteRule?
What I'm trying is to apply ...
RewriteCond %{QUERY_STRING} ^(.*)&?id=([^&]+)&?(.*)$ [NC]
RewriteRule ^/app\.jsp$ /app/%2?%1%3 [R=302]
... to rewrite…
user27772
- 111
- 2
0
votes
1 answer
Ansible regex_search module
Can anyone please help me to explain this code in ansible regex_search module:
- set_fact:
regex: "{{ '/opt/conf/path.txt' | regex_search('/?(.*)', '\\1') }}'
What "\\1" means in this code.
What is the function of each special letter in…
TRONG NGUYEN
- 3
- 1
- 4
0
votes
1 answer
Editing fail2ban apache-noscript config to add "AH10244: invalid URI path"
I have the following (default) /etc/fail2ban/filter.d/apache-noscript.conf configuration file:
[Definition]
script = /\S*(?:php(?:[45]|[.-]cgi)?|\.asp|\.exe|\.pl|\bcgi-bin/)
prefregex = ^%(_apache_error_client)s…
dan
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