netdev - [PATCH net-next] Documentation: Fix tcp_challenge_ack

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Message-Id: <20200415095404.5673-1-cambda@linux.alibaba.com>
Date:   Wed, 15 Apr 2020 17:54:04 +0800
From:   Cambda Zhu <cambda@...ux.alibaba.com>
To:     netdev@...r.kernel.org
Cc:     Eric Dumazet <edumazet@...gle.com>,
        Dust Li <dust.li@...ux.alibaba.com>,
        Tony Lu <tonylu@...ux.alibaba.com>,
        Cambda Zhu <cambda@...ux.alibaba.com>
Subject: [PATCH net-next] Documentation: Fix tcp_challenge_ack_limit default value

The default value of tcp_challenge_ack_limit has been changed from
100 to 1000 and this patch fixes its documentation.

Signed-off-by: Cambda Zhu <cambda@...ux.alibaba.com>
---
 Documentation/networking/ip-sysctl.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index ee961d322d93..6fcfd313dbe4 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -812,7 +812,7 @@ tcp_limit_output_bytes - INTEGER
 tcp_challenge_ack_limit - INTEGER
 	Limits number of Challenge ACK sent per second, as recommended
 	in RFC 5961 (Improving TCP's Robustness to Blind In-Window Attacks)
-	Default: 100
+	Default: 1000
 
 tcp_rx_skb_cache - BOOLEAN
 	Controls a per TCP socket cache of one skb, that might help
-- 
2.16.6