vsftpd/0023-Add-documentation-for-isolate_-options.-Correct-defa.patch
Troy Dawson 0391a6d2d9 RHEL 9.0.0 Alpha bootstrap
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https://src.fedoraproject.org/rpms/vsftpd#2526a74ac732414d31a20591f7b3e3e94a970363
2020-10-15 13:29:21 -07:00

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From 3d02ef3be17f37baf729e786a8f36af4982f70ad Mon Sep 17 00:00:00 2001
From: Martin Sehnoutka <msehnout@redhat.com>
Date: Thu, 17 Nov 2016 10:52:16 +0100
Subject: [PATCH 23/59] Add documentation for isolate_* options. Correct
default
values of max_clients, max_per_ip.
---
vsftpd.conf.5 | 22 +++++++++++++++++++---
1 file changed, 19 insertions(+), 3 deletions(-)
diff --git a/vsftpd.conf.5 b/vsftpd.conf.5
index e242873..31d317f 100644
--- a/vsftpd.conf.5
+++ b/vsftpd.conf.5
@@ -652,6 +652,21 @@ change it with the setting
.BR xferlog_file .
Default: NO
+.TP
+.B isolate_network
+If enabled, use CLONE_NEWNET to isolate the untrusted processes so that
+they can't do arbitrary connect() and instead have to ask the privileged
+process for sockets (
+.BR port_promiscuous
+have to be disabled).
+
+Default: YES
+.TP
+.B isolate
+If enabled, use CLONE_NEWPID and CLONE_NEWIPC to isolate processes to their
+ipc and pid namespaces. So separated processes can not interact with each other.
+
+Default: YES
.SH NUMERIC OPTIONS
Below is a list of numeric options. A numeric option must be set to a non
@@ -749,8 +764,9 @@ Default: 077
.B max_clients
If vsftpd is in standalone mode, this is the maximum number of clients which
may be connected. Any additional clients connecting will get an error message.
+The value 0 switches off the limit.
-Default: 0 (unlimited)
+Default: 2000
.TP
.B max_login_fails
After this many login failures, the session is killed.
@@ -760,9 +776,9 @@ Default: 3
.B max_per_ip
If vsftpd is in standalone mode, this is the maximum number of clients which
may be connected from the same source internet address. A client will get an
-error message if they go over this limit.
+error message if they go over this limit. The value 0 switches off the limit.
-Default: 0 (unlimited)
+Default: 50
.TP
.B pasv_max_port
The maximum port to allocate for PASV style data connections. Can be used to
--
2.14.4