From 9e9d5d26d9e8ebe2b7c6308184c25c9de133714e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Thu, 26 Aug 2021 21:21:48 +0200
Subject: mic92: samba perf options

---
 lass/1systems/prism/config.nix | 29 +++++++++++++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

diff --git a/lass/1systems/prism/config.nix b/lass/1systems/prism/config.nix
index cbaf127c8..e3dba69e4 100644
--- a/lass/1systems/prism/config.nix
+++ b/lass/1systems/prism/config.nix
@@ -388,12 +388,37 @@ with import <stockholm/lib>;
 
       services.samba = {
         enable = true;
+        enableNmbd = false;
         extraConfig = ''
           workgroup = WORKGROUP
           netbios name = PRISM
-          server string = prism
+          server string = ${config.networking.hostName}
+          # only allow retiolum addresses
           hosts allow = 42::/16 10.243.0.0/16
+          # Don't bind to the legacy 143 port
+          smb ports = 445
+          # Bind only to allowed interfaces
+          bind interfaces only = true
+          # only bind to retiolum network
           interfaces = tinc.retiolum
+
+          # Use sendfile() for performance gain
+          use sendfile = true
+
+          # No NetBIOS is needed
+          disable netbios = true
+
+          # Only mangle non-valid NTFS names, don't care about DOS support
+          mangled names = illegal
+
+          # Performance optimizations
+          socket options = TCP_NODELAY IPTOS_LOWDELAY SO_RCVBUF=65536 SO_SNDBUF=65536
+
+          # Disable all printing
+          load printers = false
+          disable spoolss = true
+          printcap name = /dev/null
+
           map to guest = Bad User
           max log size = 50
           dns proxy = no
@@ -401,7 +426,7 @@ with import <stockholm/lib>;
 
           [global]
           syslog only = yes
-       '';
+        '';
         shares.public = {
           comment = "Warez";
           path = "/export";
-- 
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