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Libdatadog obfuscation parity internship (IP) #1631

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Merged
gh-worker-dd-mergequeue-cf854d merged 1 commit into from
Feb 26, 2026
Merged

Libdatadog obfuscation parity internship (IP) #1631

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5 changes: 4 additions & 1 deletion libdd-trace-obfuscation/src/ip_address.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -4,13 +4,15 @@
use regex::Regex;
use std::{borrow::Cow, collections::HashSet, net::Ipv6Addr, sync::LazyLock};

const ALLOWED_IP_ADDRESSES: [&str; 4] = [
const ALLOWED_IP_ADDRESSES: [&str; 5] = [
// localhost
"127.0.0.1",
"::1",
// link-local cloud provider metadata server addresses
"169.254.169.254",
"fd00:ec2::254",
// ECS task metadata
"169.254.170.2",
];

const PREFIX_REGEX_LITERAL: &str = r"^((?:dnspoll|ftp|file|http|https):/{2,3})";
Expand Down Expand Up @@ -195,6 +197,7 @@ mod tests {
quantize_peer_ip_addresses("169.254.169.254"),
"169.254.169.254"
);
assert_eq!(quantize_peer_ip_addresses("169.254.170.2"), "169.254.170.2");
// blocking cases
assert_eq!(quantize_peer_ip_addresses(""), "");
assert_eq!(quantize_peer_ip_addresses("foo.dog"), "foo.dog");
Expand Down
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