From 95286df50274953326accb615487e21d409b652a Mon Sep 17 00:00:00 2001 From: Raja Grewal Date: Thu, 18 Jul 2024 15:28:31 +1000 Subject: [PATCH] Update README.md regarding secure ICMP redirects --- README.md | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index 5cd9fad..29654c4 100644 --- a/README.md +++ b/README.md @@ -72,7 +72,8 @@ Various networking components of the TCP/IP stack are hardened for IPv4/6. from all interfaces to prevent IP spoofing. - Disable ICMP redirect acceptance and redirect sending messages to - prevent man-in-the-middle attacks and minimize information disclosure. + prevent man-in-the-middle attacks and minimize information disclosure. If + ICMP redirect messages are permitted, only do so from approved gateways. - Ignore ICMP echo requests to prevent clock fingerprinting and Smurf attacks.