557
I use Zip Bombs to Protect my Server (idiallo.com)
submitted 1 week ago by some_guy@lemmy.sdf.org to c/technology@lemmy.world
98 comments fedilink hide all child comments

The one-liner:

dd if=/dev/zero bs=1G count=10 | gzip -c > 10GB.gz

This is brilliant.

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[-] melroy@kbin.melroy.org 11 points 1 week ago

Looks fine to me. Only 1 CPU core I think was 100%.

10+0 records in
10+0 records out
10737418240 bytes (11 GB, 10 GiB) copied, 28,0695 s, 383 MB/s
[-] melroy@kbin.melroy.org 11 points 1 week ago

ow.. now the idea is to unzip it right?

nice idea:

if (ipIsBlackListed() || isMalicious()) {
    header("Content-Encoding: deflate, gzip");
    header("Content-Length: "+ filesize(ZIP_BOMB_FILE_10G)); // 10 MB
    readfile(ZIP_BOMB_FILE_10G);
    exit;
}
[-] mbirth@lemmy.ml 7 points 1 week ago

Might need some

if (ob_get_level()) ob_end_clean();

before the readfile. ๐Ÿ˜‰

this post was submitted on 29 Apr 2025
557 points (100.0% liked)

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