lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Thu, 16 May 2019 09:14:31 -0700
From:   Eric Dumazet <>
To:     Willem de Bruijn <>,
        Adam Urban <>
Cc:     Network Development <>
Subject: Re: Kernel UDP behavior with missing destinations

On 5/16/19 9:05 AM, Eric Dumazet wrote:

> We probably should add a ttl on arp queues.
> neigh_probe() could do that quite easily.

Adam, all you need to do is to increase UDP socket sndbuf.

Either by increasing /proc/sys/net/core/wmem_default

or using setsockopt( ... SO_SNDBUF ... )

Powered by blists - more mailing lists