Paid [XTR] IP Threat Monitor 1.0.24
Change log
Bug Fixes
- Fixed Apple Private Relay memory exhaustion error
Apple's iCloud Private Relay IP list has grown to ~287,000 entries, causing "Allowed memory size exhausted" errors on high-traffic sites. - Implemented stream-based CSV parsing
Instead of loading the entire IP list into memory at once, the file is now read line-by-line in 4KB chunks. - Added IPv6 prefix deduplication
245,000+ IPv6 /64 entries are now aggregated into ~25,000 unique /48 prefixes. - Added IPv4 CIDR filtering
Only /28 and larger subnets are retained, eliminating unnecessary granular entries. - Added thundering herd protection (Lock mechanism)
Prevents concurrent requests from simultaneously hitting the Apple API when cache is empty.
- Memory usage: 100% reduction (32 MB → 0 B increase)
- List size: 90% reduction (287K → 27K entries)
- Cache file: 85% smaller (~15 MB → ~2 MB)
Release notes
This update addresses a critical memory exhaustion error caused by the excessive growth of Apple's iCloud Private Relay IP list.
After updating, toggling the "Allow iCloud Private Relay" option off and on in the add-on settings will regenerate the cache.
What Was the Problem?
Apple's official Private Relay IP list (egress-ip-ranges.csv) has grown to approximately 287,000 entries. The previous version loaded this entire list into memory at once, causing:- On high-traffic sites
- With 256 MB or lower PHP memory limits
- During cache-cold moments (after server restart)
What Changed?
- Smart Streaming: The IP list is now read in 4KB chunks instead of being loaded entirely into memory.
- IPv6 Optimization: 245,000 IPv6 addresses are now deduplicated into unique /48 prefixes (~25,000).
- Lock Mechanism: Prevents multiple concurrent requests from hitting the Apple API simultaneously.
Results
| Metric | Before | After |
|---|---|---|
| Memory Increase | 32+ MB | 0 MB |
| List Size | 287,000 | 27,000 |
Update Recommendation
All users who have enabled Apple Private Relay exemption are strongly encouraged to update to this version.After updating, toggling the "Allow iCloud Private Relay" option off and on in the add-on settings will regenerate the cache.
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