hi,
i make sendmail queue all mail, then in my ip-up.local script, i do a
'/usr/sbin/sendmail -q' to send all queued mail (local and remote).
there is an option to go in /etc/sendmail.cf that is something like
O DeliveryMode=deferred
which stops sendmail from doing dns lookups until it is told to process the
mail queue.
hth
tim
-----Original Message-----
From: Paolo Mastroianni <[EMAIL PROTECTED]>
To: Linux Diald <[EMAIL PROTECTED]>
Date: 06 January 2000 21:16
Subject: Problem sendmail & Diald
>Hi !!!
>
>I have this problem :
>
>When start Sendmail daemon , diald bring up the connection to ISP.
>Is possible resolve this problem ?
>What i do ?
>
>I have this configuration :
>1) Linux RH 6.0
>2) Diald-0.99
>
>My diald.conf is :
>
>mode ppp
>connect "chat -v -f /etc/sysconfig/network-scripts/chat-ppp0"
>device /dev/ttyS1
>speed 115200
>modem
>lock
>crtscts
>local 192.168.0.1
>remote 192.168.0.2
>dynamic
>defaultroute
>#pppd-options asyncmap 0
>include /usr/lib/diald/standard.filter
>
>My hosts file is :
>
>127.0.0.1 localhost localhost.localdomain
>192.168.1.10 uranus.myhome uranus
>192.168.1.20 pluto.myhome pluto
>
>My network file is :
>
>NETWORKING=yes
>FORWARD_IPV4="yes"
>HOSTNAME="pluto.myhome"
>DOMAINNAME=myhome
>GATEWAY=""
>GATEWAYDEV=""
>
>
>My Network parameters are :
>
>Host Name: pluto.myhome
>Domain Name: myhome
>IP Address: 192.168.1.1
>Netmask: 255.255.255.0
>Broadcast: 192.168.1.255
>Default Gateway:
>Primary Nameserver: (IP address of my ISP's primary nameserver)
>Secondary Nameserver: ()
>Tertiary Nameserver: ()
>
>My standard.filter file :
>
># This is a pretty complicated set of filter rules.
># (These are the rules I use myself.)
>#
># I've divided the rules up into four sections.
># TCP packets, UDP packets, ICMP packets and a general catch all rule
># at the end.
>
>
>#--------------------------------------------------------------------------
----
>
># Rules for TCP packets.
>#--------------------------------------------------------------------------
----
>
># General comments on the rule set:
>#
># In general we would like to treat only data on a TCP link as
>signficant
># for timeouts. Therefore, we try to ignore packets with no data.
># Since the shortest possible set of headers in a TCP/IP packet is 40
>bytes.
># Any packet with length 40 must have no data riding in it.
># We may miss some empty packets this way (optional routing information
># and other extras may be present in the IP header), but we should get
># most of them. Note that we don't want to filter out packets with
># tcp.live clear, since we use them later to speedup disconnects
># on some TCP links.
>#
># We also want to make sure WWW packets live even if the TCP socket
># is shut down. We do this because WWW doesn't keep connections open
># once the data has been transfered, and it would be annoying to have
>the link
># keep bouncing up and down every time you get a document.
>#
># Outside of WWW the most common use of TCP is for long lived
>connections,
># that once they are gone mean we no longer need the network connection.
>
># We don't neccessarily want to wait 10 minutes for the connection
># to go down when we don't have any telnet's or rlogin's running,
># so we want to speed up the timeout on TCP connections that have
># shutdown. We do this by catching packets that do not have the live
>flag set.
>
># --- start of rule set proper ---
>
># When initiating a connection we only give the link 15 seconds
>initially.
># The idea here is to deal with possibility that the network on the
>opposite
># end of the connection is unreachable. In this case you don't really
># want to give the link 10 minutes up time. With the rule below
># we only give the link 15 seconds initially. If the network is
>reachable
># then we will normally get a response that actually contains some
># data within 15 seconds. If this causes problems because you have a
>slow
># response time at some site you want to regularly access, you can
>either
># increase the timeout or remove this rule.
>accept tcp 15 tcp.syn
>
># Keep named xfers from holding the link up
>ignore tcp tcp.dest=tcp.domain
>ignore tcp tcp.source=tcp.domain
>
># (Ack! SCO telnet starts by sending empty SYNs and only opens the
># connection if it gets a response. Sheesh..)
>accept tcp 5 ip.tot_len=40,tcp.syn
>
># keep empty packets from holding the link up (other than empty SYN
>packets)
>ignore tcp ip.tot_len=40,tcp.live
>
># make sure http transfers hold the link for 2 minutes, even after they
>end.
># NOTE: Your /etc/services may not define the tcp service www, in which
># case you should comment out the following two lines or get a more
># up to date /etc/services file. See the FAQ for information on
>obtaining
># a new /etc/services file.
>accept tcp 180 tcp.dest=tcp.www
>accept tcp 180 tcp.source=tcp.www
>
># SSL connections are usually for secure http so treat them like http.
># NOTE: Your /etc/services may not define the tcp service ssl, in which
># case you should comment out the following two lines or get a more
># up to date /etc/services file. See the FAQ for information on
>obtaining
># a new /etc/services file.
>#keepup tcp 120 tcp.dest=tcp.ssl
>#keepup tcp 120 tcp.source=tcp.ssl
>
># Once the link is no longer live, we try to shut down the connection
># quickly. Note that if the link is already down, a state change
># will not bring it back up.
>keepup tcp 180 !tcp.live
>ignore tcp !tcp.live
>
># an ftp-data or ftp connection can be expected to show reasonably
>frequent
># traffic.
>accept tcp 180 tcp.dest=tcp.ftp
>accept tcp 180 tcp.source=tcp.ftp
>
>#NOTE: ftp-data is not defined in the /etc/services file provided with
># the latest versions of NETKIT, so I've got this commented out here.
># If you want to define it add the following line to your /etc/services:
>
># ftp-data 20/tcp
># and uncomment the following two rules.
>#accept tcp 120 tcp.dest=tcp.ftp-data
>#accept tcp 120 tcp.source=tcp.ftp-data
>
># Mail is probably constantly checked for, we don"t want it
># bringing the link up and down
>accept tcp 180 tcp.dest=tcp.smtp
>accept tcp 180 tcp.source=tcp.smtp
>
>accept tcp 180 tcp.dest=tcp.pop-3
>accept tcp 180 tcp.source=tcp.pop-3
>
>accept tcp 180 tcp.dest=tcp.pop-2
>accept tcp 180 tcp.source=tcp.pop-2
>
># TELNET Services
>accept tcp 180 tcp.dest=tcp.telnet
>accept tcp 180 tcp.source=tcp.telnet
>
># Other Services
># Linuxconf running on port 98
>accept tcp 180 tcp.dest=tcp.linuxconf
>accept tcp 180 tcp.source=tcp.linuxconf
>
># If we don't catch it above, give the link 3 minutes up time.
>accept tcp 180 any
>
># Rules for UDP packets
>#
># We time out domain requests right away, we just want them to bring
># the link up, not keep it around for very long.
># This is because the network will usually come up on a call
># from the resolver library (unless you have all your commonly
># used addresses in /etc/hosts, in which case you will discover
># other problems.)
># Note that you should not make the timeout shorter than the time you
># might expect your DNS server to take to respond. Otherwise
># when the initial link gets established there might be a delay
># greater than this between the initial series of packets before
># any packets that keep the link up longer pass over the link.
>
># Don't bring the link up for rwho.
>ignore udp udp.dest=udp.who
>ignore udp udp.source=udp.who
>
># Don't bring the link up for RIP.
>ignore udp udp.dest=udp.route
>ignore udp udp.source=udp.route
>
># Don't bring the link up for NTP or timed.
>ignore udp udp.dest=udp.ntp
>ignore udp udp.source=udp.ntp
>ignore udp udp.dest=udp.timed
>ignore udp udp.source=udp.timed
>
># Don't bring up on domain name requests between two running nameds.
>ignore udp udp.dest=udp.domain,udp.source=udp.domain
>
># Bring up the network whenever we make a domain request from someplace
># other than named.
>accept udp 30 udp.dest=udp.domain
>accept udp 30 udp.source=udp.domain
>
># Do the same for netbios-ns broadcasts
># NOTE: your /etc/services file may not define the netbios-ns service
># in which case you should comment out the next three lines.
>ignore udp udp.source=udp.netbios-ns,udp.dest=udp.netbios-ns
>accept udp 30 udp.dest=udp.netbios-ns
>accept udp 30 udp.source=udp.netbios-ns
>
># keep routed and gated transfers from holding the link up
>ignore udp tcp.dest=udp.route
>ignore udp tcp.source=udp.route
>
># Anything else gest 3 minutes.
>accept udp 180 any
>
># Catch any packets that we didn't catch above and give the connection
># 30 seconds of live time.
>accept any 30 any
>
>
>Tanks.......!!1! =:)
>
>~
>
>--
>Mr.
>Paolo Mastroianni
>Office : ++39 (0) 823 349459
>RM : ++39 (0) 339 3057895
>EMail : [EMAIL PROTECTED]
>-----------------------------------------
>IvyLogic
>Via Adige, 31
>81100 CASERTA
>Url : http://www.ivylogic.it/
>EMail: [EMAIL PROTECTED]
>-----------------------------------------
>JIA ( Java Italian Association ) Member
>Coordinator of Zone : South & Islands
>Email : [EMAIL PROTECTED]
>ML Administrator : [EMAIL PROTECTED]
> [EMAIL PROTECTED]
>Url : http://www.jia.it
>-----------------------------------------
>
>
>
>
>
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