
Research
Node.js Fixes AsyncLocalStorage Crash Bug That Could Take Down Production Servers
Node.js patched a crash bug where AsyncLocalStorage could cause stack overflows to bypass error handlers and terminate production servers.
www.github.com/tomnomnom/httprobe.git
Advanced tools
Take a list of domains and probe for working http and https servers.
▶ go get -u github.com/tomnomnom/httprobe
httprobe accepts line-delimited domains on stdin:
▶ cat recon/example/domains.txt
example.com
example.edu
example.net
▶ cat recon/example/domains.txt | httprobe
http://example.com
http://example.net
http://example.edu
https://example.com
https://example.edu
https://example.net
By default httprobe checks for HTTP on port 80 and HTTPS on port 443. You can add additional
probes with the -p flag by specifying a protocol and port pair:
▶ cat domains.txt | httprobe -p http:81 -p https:8443
You can set the concurrency level with the -c flag:
▶ cat domains.txt | httprobe -c 50
You can change the timeout by using the -t flag and specifying a timeout in milliseconds:
▶ cat domains.txt | httprobe -t 20000
If you don't want to probe for HTTP on port 80 or HTTPS on port 443, you can use the
-s flag. You'll need to specify the probes you do want using the -p flag:
▶ cat domains.txt | httprobe -s -p https:8443
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Research
Node.js patched a crash bug where AsyncLocalStorage could cause stack overflows to bypass error handlers and terminate production servers.

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