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authoryyamashita <yyamashita@hetzner.yyamashita.com>2026-07-01 12:30:02 +0900
committeryyamashita <yyamashita@hetzner.yyamashita.com>2026-07-01 12:30:02 +0900
commit75686581d208ba4b4263420db169f56083dda52b (patch)
tree51c1111cc919f890b4d2ca585b13f18e6045369a /vpn/strongswan.conf
parent47e47957cc363511d1de5f78caff7ff77ed7d0c7 (diff)
Restore intermediate CA cert, disable IKE fragmentation
Android (XREAL Beam Pro) fails to reassemble IKE fragments even though FRAG_SUP is negotiated. IP-level fragmentation (handled by the OS kernel) works better. Removing the intermediate cert broke macOS/iOS. This config: - Sends leaf cert + YE1 intermediate (so any client can verify the chain) - fragment_size=0 disables IKE fragmentation; the 1776-byte IKE_AUTH response is sent as one large UDP packet (OS handles IP fragmentation) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Diffstat (limited to 'vpn/strongswan.conf')
-rw-r--r--vpn/strongswan.conf1
1 files changed, 1 insertions, 0 deletions
diff --git a/vpn/strongswan.conf b/vpn/strongswan.conf
index eeed46c..e2543a5 100644
--- a/vpn/strongswan.conf
+++ b/vpn/strongswan.conf
@@ -12,5 +12,6 @@ charon {
}
}
send_vendor_id = no
+ fragment_size = 0
}
include strongswan.d/*.conf