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Diffstat (limited to 'mail/sendmail812/files/CONNECTION_RATE_CONTROL')
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1 files changed, 0 insertions, 167 deletions
diff --git a/mail/sendmail812/files/CONNECTION_RATE_CONTROL b/mail/sendmail812/files/CONNECTION_RATE_CONTROL deleted file mode 100644 index 4b6a87fa276a..000000000000 --- a/mail/sendmail812/files/CONNECTION_RATE_CONTROL +++ /dev/null @@ -1,167 +0,0 @@ - - CONNECTION RATE CONTROL FOR SENDMAIL - ------------------------------------ - -This patch adds connection rate control feature to sendmail. - -This means : - -- sendmail counts on a sliding window the number of connections - for each smtp client, and if it exceeds maximum configured - value, connection is refused with a TEMPFAIL result. - -- you may surely want to exclude some hosts/networks from this - control (local networks, trusted networks, ...). You may - indicate the list of trusted servers (by ip address) at - some configuration file. - -This file Table of Contents : - - 1. Remarks - 2. Changes and History - 3. Getting the stuff - 4. Stuff Contents - 5. Installing - -****************************************************************** - -REMARKS : ---------- - -* This feature will be integrated into sendmail in a future version. - -* This feature is experimental. Some details on the way it works - or its interface may change in the future. - -* The contents of this stuff is valid for sendmail 8.12.9 - - All feedback, comments and questions about this stuff are welcome : - Jose-Marcio.Martins@ensmp.fr (the maintainer) - with CC to - sendmail@sendmail.org - -CHANGES AND HISTORY : ---------------------- - -2003/06/11 - Jose Marcio Martins da Cruz - First Release - -2003/07/03 - Jose Marcio Martins da Cruz - Two macros were defined : - - {client_rate} : connection rate of the client - - {server_rate} : connection rate of the server - -GETTING THE STUFF : -------------------- - -You can download all you need at : - - http://j-chkmail.ensmp.fr/sm - -You need the two patches you'll find there. - -STUFF CONTENTS : ----------------- - -This stuff contains two patches : - -- ratectrl.src.patch : this patch shall be used to modify - /PATH_TO_SRC/sendmail-8.12.9/sendmail - sendmail C source - files - -- ratectrl.cf.patch : this patch shall be used to modify - /PATH_TO_SRC/sendmail-8.12.9/cf - m4 configuration kit - for sendmail - -- rate.mc : this is an example of configuration file to be - used with this stuff, if you want to do connection rate - control with rulesets. To use it, you shall define the - variable : - D{RuleRateMaxClient}5 - This contribution comes from Stephane Lentz - Stephane.Lentz@ansf.alcatel.fr - - -INSTALLING : ------------- - -1. Copy the patches : - - cd /PATH_TO/sendmail-8.12.9 - cp /elsewhere/ratectrl.src.patch . - cp /elsewhere/ratectrl.cf.patch . - -2. Eventually save original source code : - - cp -pr sendmail sendmail.org - cp -pr cf cf.org - -3. Apply the patches - - cd sendmail - patch < ../ratectrl.src.patch - cd ../cf - patch < ../ratectrl.cf.patch - -4. Inform sendmail Build system that you want to use this stuff - - Add the following line to the file devtools/Site/site.config.m4 : - -APPENDDEF(`confENVDEF',`-D_FFR_CONNECTION_RATE_CONTROL') - -5. Rebuild sendmail and install - - cd /PATH_TO/sendmail-8.12.9 - ./Build -c - su - ./Build install - -6. Modify your configuration file (sendmail.mc for your site) - -You may add the following lines : - - FEATURE(rate_control) - -This will create the following lines at your sendmail.cf file : - ------ - -O CheckConnectionRate=True - -F{rate_exclude} -o /etc/mail/rate-control-exclude - -# maximum server connection rate (connections / minute) -#O MaxConnectionRate=600 - -# maximum connection rate per client (connections / minute) -#O MaxClientConnectionRate=5 - -# Width of the window -#O ConnectionRateWindowSize=60 - ----- - -Configuration parameters you may define at your mc file - -confRATE_EXCLUDE_FILE The name of the file defining class {rate_exclude}. - Access to the server will be granted to IP hosts - networks matching this class without connection - rate control. - Default Value : /etc/mail/rate-control-exclude - -confMAX_CLIENT_CONNECTION_RATE : Maximum connections per minute allowed - for hosts/networks not matching {rate_exclude} - class. - Default Value : 5 connections / minute. - -confMAX_CONNECTION_RATE : Maximum connections per minute for the server. - Default Value : 600 connections / minute. - -confCONNECTION_RATE_WINDOW_SIZE : Width of the measuring sliding window. - The value used to do rate control is the mean - of the number of connections inside this window. - Default Value : 60 (1 minute) - - - - - |