curl
| What | Where |
|---|---|
| Official Page | https://curl.se/ |
| Source | https://github.com/curl/curl |
| Download | https://github.com/curl/curl/releases |
| Docs | https://everything.curl.dev or https://curl.se/docs/manpage.html |
| Book | https://curl.se/docs/ |
| Windows | scoop install curl |
| Ubuntu | sudo apt -y install curl |
Random Examples
Example to check /24 range in "abuseipdb.com" for the last 3 days
curl -s -G https://api.abuseipdb.com/api/v2/check-block --data-urlencode "network=123.123.123.1/24" -d maxAgeInDays=$DAYS -H "Key: apikeyfromabuseipdb.com" -H "Accept: application/json" |jq '.data.reportedAddress'
If you want to inspect the headers of a response from some endpoint include the -I flag and curl will return just the headers.
curl -I localhost:3000/posts
Example of using curl with basic auth credentials
curl -u username:password staging.example.com
Query a website e.g. request a json response from cloudflare-dns.com on TXT records of the domain 0xfab1.net
curl -s -H 'accept: application/dns-json' 'https://cloudflare-dns.com/dns-query?name=0xfab1.net&type=TXT'
Send Mail
curl --ssl-reqd --url 'smtps://smtp.gmail.com:465' --user '[email protected]:password' --mail-from '[email protected]' --mail-rcpt '[email protected]' --upload-file mail.txt
mail.txt file contents:
From: "User Name" <[email protected]>
To: "John Smith" <[email protected]>
Subject: This is a test
Hi John,
I’m sending this mail with curl thru my gmail account.
Bye!
Some more information:
- gmail: turn on access for less secure apps
- Use --netrc-file instead of credentials in curl command
- Use curl with ssl
WebDAV
Create Folders
curl -X MKCOL 'http://your.server/uploads/nested_folder1' --user 'name:pwd'
Copy Files
curl -T <filename> -u <username>:<password> <url> -o /dev/stdout
Copy all files in a Folder (and subfolder). Folders must already exist.
cd local_folder_to_upload && find . -exec curl -T {} 'http://your.server/uploads/{}' --user 'name:pwd' \;