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From:David Sklar Date:April 21 1999 2:45pm
Subject:Host '...' is blocked error
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   What are the networking conditions that cause MySQL to increment the 
counter that triggers the "Host '...' is blocked" error message? I am getting 
that error from servers that are only being connected to by valid clients.

The only thing I can think of that makes the connections unusual is that the 
MySQL servers are sitting behind a Cisco LocalDirector. Even still, 
connections usually work fine.

 If I set max_connect_errors to 0, will MySQL never generate that error?

>Submitter-Id:  sklar@stripped
>Originator:    sklar@stripped
>Organization:  Student.Net Publishing
>MySQL support: extended email support
>Synopsis:      Host '...' is blocked error
>Severity:      serious
>Priority:      medium
>Category:      mysql
>Class:         support
>Release:       mysql-3.22.14-gamma (TCX binary)

System: Linux host 2.0.35 #3 Tue Aug 18 23:38:11 EDT 1998 i686 unknown
Architecture: i686

Some paths:  /usr/bin/perl /usr/bin/make /usr/bin/gmake /usr/bin/gcc 
GCC: Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/
gcc version
Compilation info: CC='gcc'  CFLAGS='-O6 -mpentium -mstack-align-double 
-fomit-frame-pointer'  CXX='gcc'  CXXFLAGS='-O6 -mpentium -mstack-align-double 
-fomit-frame-pointer -felide-constructors'  LDFLAGS='-static'
Configure command: ./configure  --prefix=/usr/local/mysql '--with-comment=TCX 
binary' --enable-assembler --with-mysqld-ldflags=-all-static 
--with-client-ldflags=-all-static --disable-shared
Perl: This is perl, version 5.004_04 built for i386-linux

Host '...' is blocked error(David Sklar)21 Apr