Re: [WISPA] multiple networks on one cable...

[Ugo Bellavance]

On 2010-01-15 07:48, Mark McElvy wrote:
> I have Dell managed switches. A 24 and 48 port 10/100 and a 16 port Gb

Then it sould be relatively easy to use vlans.  The basics about vlans 
is that if a port is only in one vlan, you configure this port with an 
untagged vlan number.  Cisco calls this an access port.  When you want a 
port to carry multiple vlans, you must configure this port with tagged 
vlan numbers.  Cisco calls this a trunk.  So in your situation, you must 
decide on a VLAN number for each segment (don't use number one, though, 
if possible).  Let's say you decide to use vlan 10 for 10.25.1.x, 20 for 
172.22.1.x, 30 for 172.22.255.x.

Then you configure all your switches this way:

All ports that are in 10.25.1.x, you configure them with untaggged vlan 
#10, all ports in 172.22.1.x with untagged vlan # 20, and 172.22.255.x 
ports with untagged vlan number 30.

Then I assume you want all switches to be able to carry all vlans, so 
you just set your inter-switch links with tagged vlan numbers 10, 20, 
and 30.

This is the basics, but it can be a very disturbing operation and almost 
guarrantees downtime, so it is better to experiment in a lab, or ask a 
specialist to do the job.

hth

>
> -Original Message-
> From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
> Behalf Of Ugo Bellavance
> Sent: Friday, January 15, 2010 5:32 AM
> To: wireless@wispa.org
> Subject: Re: [WISPA] multiple networks on one cable...
>
> On 2010-01-14 15:47, Mark McElvy wrote:
>> I would if I had my brain wrapped around VLan's
>
> What equipment are you using? We could provide some guidance...
>
>>
>> Mark McElvy
>> AccuBak Data Systems, Inc.
>>
>>
>> -Original Message-
>> From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org]
> On
>> Behalf Of Jeremy Parr
>> Sent: Thursday, January 14, 2010 2:15 PM
>> To: WISPA General List
>> Subject: Re: [WISPA] multiple networks on one cable...
>>
>> 2010/1/14 Mark McElvy:
>>> I am moving my servers to a new location in the same building. I only
>>> have 2 Ethernet runs from the current room to the new. I also have
>>> several networks to move. What would it hurt to have several
> different
>>> IP networks traveling across a single cable for say a week as I moved
>>> the servers, ie, 10.25.1.x and 172.22.1.x and 172.22.255.x all
> plugged
>>> into the same switch?
>>
>> Why not trunk them as tagged vlans?
>>
>>
>>
> 
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Re: [WISPA] multiple networks on one cable...

[Ugo Bellavance]

On 2010-01-14 15:47, Mark McElvy wrote:
> I would if I had my brain wrapped around VLan's

What equipment are you using? We could provide some guidance...

>
> Mark McElvy
> AccuBak Data Systems, Inc.
>
>
> -Original Message-
> From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
> Behalf Of Jeremy Parr
> Sent: Thursday, January 14, 2010 2:15 PM
> To: WISPA General List
> Subject: Re: [WISPA] multiple networks on one cable...
>
> 2010/1/14 Mark McElvy:
>> I am moving my servers to a new location in the same building. I only
>> have 2 Ethernet runs from the current room to the new. I also have
>> several networks to move. What would it hurt to have several different
>> IP networks traveling across a single cable for say a week as I moved
>> the servers, ie, 10.25.1.x and 172.22.1.x and 172.22.255.x all plugged
>> into the same switch?
>
> Why not trunk them as tagged vlans?
>
>
> 
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Re: [WISPA] Bandwidth limitation enforcement

[Ugo Bellavance]

On 2010-01-02 17:45, Matt Jenkins wrote:
> Motorola SM for kbps control with bursting. pmacct central server for
> throughput usage. DHCP server so all customers always get the same
> public IP. One public IP per customer.

As this is a small deployment, we don't give IP addresses to users, we 
NAT everything behind one public IP.

>
> Ugo Bellavance wrote:
>> Hi,
>>
>>  We are currently looking at a way to make sure the bandwidth is
>> allocates more fairly amongst our (~300) users.  We have a 60mbps pipe
>> from our ISP, but some wise ones are dowloading like crazy, and enabling
>> traffic shaping on the firewall is just of little help.  What are you
>> guys using for bandwidth limiting (example: max 7mbps per MAC or IP
>> address) and for policy enforcement: 30GB/month dl, extra gig is x cents.
>>
>> Thanks in advance.
>>
>> Ugo
>>
>>
>>
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Re: [WISPA] OT: Spamassassin Y2K10 rule bug

[Ugo Bellavance]

On 2010-01-02 03:33, Butch Evans wrote:
> FYI
>
>  Forwarded Message 
> From: Craig Baird
> Reply-to: motor...@afmug.com
> To: motor...@afmug.com
> Subject: [Motorola II] OT: Spamassassin Y2K10 rule bug
> Date: Sat, 02 Jan 2010 01:08:50 -0700
>
> Just a heads up for those of you running Spamassassin on your mail
> servers.  There's a bug in the SA rules that gives any mail received
> with a date after 1/1/2010 an inflated score.
>
> See the following for details:
>
> http://wiki.apache.org/spamassassin/Rules/FH_DATE_PAST_20XX
>
> Unfortunately, it took me all day before I realized there was a
> problem.  I should have known there was something wrong when I only
> got about 10 messages from this list today.
>
> Sad thing is... if you are running spamassassin, and haven't fixed
> this already, there's a good chance you may not even get this e-mail.

It has been fixed, you can simply run sa-update (and recompile your 
rules, restart your services, and so on).




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Re: [WISPA] Bandwidth limitation enforcement

[Ugo Bellavance]

On 2009-12-30 16:38, Ryan Spott wrote:
>   will get you
> started for pennies. Then you can grow from there.

Thanks,

Our firewall is a Pfsense and I think it can do something similar...

What is the hardware required for the above setup?

Regards,




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Re: [WISPA] Bandwidth limitation enforcement

[Ugo Bellavance]

On 2009-12-30 16:28, Josh Luthman wrote:
> What kind of equipment do you have?

A firewall, managed switches, Ubiquiti and Skypilot antennas.

> The best place to limit is the CPE.

We don't have CPEs, users simply use their own wireless NICs.

We're about to change our access points, though.  We are currently using 
SOHO access points.




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Re: [WISPA] Re-evaluating our anti-spam solution

[Ugo Bellavance]

On 2009-07-13 20:08, Don Grossman wrote:
> It seems time to take a look at our anti-spam solution.  Currently we
> are looking to replace out Barracuda due to ongoing issues with the
> box that after several attempts to work with Barracuda can not be
> resolved.

I tend to use a mix of:

- clamav-milter (with unofficial signatures)
- spamassassin-milter
- sendmail tweaks http://www.technoids.org/dossed.html
- MailScanner

For a more corporate-ready product, FSL is doing excellent products.

http://www.fsl.com/

BarricadeMX is very interesting, as it does everything at the SMTP 
phase, which is very efficient.

Regards,

Ugo




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[WISPA] Bandwidth limitation enforcement

[Ugo Bellavance]

Hi,

We are currently looking at a way to make sure the bandwidth is 
allocates more fairly amongst our (~300) users.  We have a 60mbps pipe 
from our ISP, but some wise ones are dowloading like crazy, and enabling 
traffic shaping on the firewall is just of little help.  What are you 
guys using for bandwidth limiting (example: max 7mbps per MAC or IP 
address) and for policy enforcement: 30GB/month dl, extra gig is x cents.

Thanks in advance.

Ugo




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Re: [WISPA] domain spam attack - JoeJob

[Ugo Bellavance]

On 2009-12-30 10:31, Kurt Fankhauser wrote:
> Does anyone have any experience with having an attack done on your domain
> where the sender spoofs the header and then puts your domain in it as the
> sender. I think this is called a JoeJob and we are getting 1000's of the
> bounced messages because of it and are now having difficulty sending to some
> of the bigger email providers like aol, yahoo, and hotmail. I tracked the
> originating IP down to somewhere in Asia and reported them to the holder of
> the Whois information there. Anything else I can do?

BarricadeMX has a mechanism for that.  All the outgoing mail must go 
through it, though, to be able to make it work.

http://www.fsl.com/index.php/barricademx/barricademx

It also works very, very well to cut inbound spam.

Regards,

Ugo




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Re: [WISPA] Tricky infrastructure question

[Ugo Bellavance]

Josh Luthman wrote:
> I am certain you can use MT on each side to do a fdx link.  Not sure
> what else is easy and a good price.

MT?  What does it stand for?

Fdx?  I guess you mean Full-Duplex?

Thanks,

Ugo




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Re: [WISPA] Tricky infrastructure question

[Ugo Bellavance]

BTW the antennas are SkyPilots.

Thanks,
Ugo

Ugo Bellavance wrote:
> Hi everyone
> 
> We are using a pfsense firewall to protect some kind of WiFi campus.
> 
> Here is the current setup:
> 
> 
> Building 1 [PfSense -> Netgear switch -> WiFi Antenna (1)] -> RF -> 
> Building 2 [WiFi Antenna -> Netgear switch -> Client computers].  We 
> have a few buildings that are all connected to the central antenna in 
> Building 1.
> 
> We are currently using vlans because we have VoIP services going through 
> this and different kind of users.  Everything is working OK as of now. 
> However, the max bandwidth of one WiFi link like that is about 10 mbps. 
>   To increase the total bandwidth, we want to add another antenna in 
> Building 1.  We though of 2 ways to achieve what we want... Trunking 
> (EtherChannel) of another vlan.  We also tought of just trying to just 
> connect the extra antenna and see how it goes, but we were worried of 
> forming a loop.
> 
> We found out that there are pros and cons to each approach:
> 
> Trunking (EtherChannel):
> 
> Pros:
> -> Probably the best fit for that purpose
> -> No other change to the architecture
> -> "Intelligent" load balancing between the two WiFi links
> 
> Cons:
> -> We are not sure if the switch will be able to manage that correctly, 
> since it goes through the air.
> -> Must cause downtime for all end-users
> 
> Extra Vlan
> 
> Pros:
> -> We can prepare our setup in parallel, minimizing downtime, 0 downtime 
> even possible
> 
> Cons:
> -> Many changes to the current setup
> -> Duplication of config
> -> Since our DHCP server is not on PFsense, we would have to put it on 
> PFsense or on the other vlan.
> 
> Anyone has been in a similar situation?  All input would be appreciated.
> 
> Regards,
> 
> Ugo
> 
> 
> 
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[WISPA] Tricky infrastructure question

[Ugo Bellavance]

Hi everyone

We are using a pfsense firewall to protect some kind of WiFi campus.

Here is the current setup:


Building 1 [PfSense -> Netgear switch -> WiFi Antenna (1)] -> RF -> 
Building 2 [WiFi Antenna -> Netgear switch -> Client computers].  We 
have a few buildings that are all connected to the central antenna in 
Building 1.

We are currently using vlans because we have VoIP services going through 
this and different kind of users.  Everything is working OK as of now. 
However, the max bandwidth of one WiFi link like that is about 10 mbps. 
  To increase the total bandwidth, we want to add another antenna in 
Building 1.  We though of 2 ways to achieve what we want... Trunking 
(EtherChannel) of another vlan.  We also tought of just trying to just 
connect the extra antenna and see how it goes, but we were worried of 
forming a loop.

We found out that there are pros and cons to each approach:

Trunking (EtherChannel):

Pros:
-> Probably the best fit for that purpose
-> No other change to the architecture
-> "Intelligent" load balancing between the two WiFi links

Cons:
-> We are not sure if the switch will be able to manage that correctly, 
since it goes through the air.
-> Must cause downtime for all end-users

Extra Vlan

Pros:
-> We can prepare our setup in parallel, minimizing downtime, 0 downtime 
even possible

Cons:
-> Many changes to the current setup
-> Duplication of config
-> Since our DHCP server is not on PFsense, we would have to put it on 
PFsense or on the other vlan.

Anyone has been in a similar situation?  All input would be appreciated.

Regards,

Ugo




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Re: [WISPA] PfSense

[Ugo Bellavance]

D. Ryan Spott wrote:
> I use it's older brother Monowall for my personal firewall.
> 
> I also use Monowall software for some commercial clients.

Ok, are you using m0n0wall for authentication, or only as a firewall?

Ugo




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[WISPA] PfSense

[Ugo Bellavance]

Hi,

Anyone using PfSense as a firewall?  I use it and I'm looking to 
exchange information/knowledge.

Thanks!

Ugo




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Re: [WISPA] Authentication

[Ugo Bellavance]

Ugo Bellavance wrote:
> Hi,
> 
>   I was wondering about authentication.  The equipment is from SkyPilot 
> and we were wondering what to use for authentication.  The end-user will 
> be using a standard WiFi card (integrated, or USB) to access the 
> wireless network.  We want the setup to be one-time (not a 
> username/password prompt each time the user opens his browser).  This is 
> the same project of max 300 clients in apartment buildings.  I was 
> thinking about keeping all the accounts in a RADIUS server and use 
> WPA-Radius.
> 
> Any input would be appreciated.

Second try... How do you guys perform authentication?  Do you all 
provide your clients with CPE?  Is there anyone in my situation where 
they need authentication because clients use their own equipment?

Regards,

Ugo Belavance




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Re: [WISPA] Private vs Public addresses for end-users

[Ugo Bellavance]

Jason Hensley wrote:
> Even if you buy your own from ARIN, if you're that big, then the costs are
> nothing - I agree.  
> 
> I personally do private addressing on all my broadband clients.  That allows
> me to NAT how I see fit.  I someone needs a public IP I do a static 1-1 NAT
> for them.  So far I've had no issues.  

Ok, makes sense.  In what cases, for example, would they need a public 
IP and I guess that means that you have to make a reservation in your DHCP?

Thanks,

Ugo




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Re: [WISPA] Private vs Public addresses for end-users

[Ugo Bellavance]

Tom DeReggi wrote:
> whether to give private or public address has nothing to do with cost.
> 

Oh, what are the thing to consider exactly?

Regards,

Ugo Bellavance




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Re: [WISPA] Linux mail solution

[Ugo Bellavance]

Mike Hammett wrote:
> I currently just use a domain on my InterWorx hosting controller for all of 
> my email.  I'm looking to hire Jeremy Davis to setup Freeside for me and I'd 
> like to setup a new mail system integrated with Freeside.  He'd integrate 
> Freeside into it and I'm awaiting server recommendations from him, but I come 
> here looking for recommendations for a mail system to include things like 
> SMTP, IMAP, SSL, webmail, antivirus, antispam, etc.

I will probably have to that shortly, and I thought of using postfix and 
postfixadmin

For anti-spam, I can really recommend one of my client's product, 
BarricadeMX (www.fsl.com).  It can be used with clamd and spamd (clamav 
and spamassassin deamons) and it stops all spam at the SMTP transaction, 
so there is no quarantine to manage and the load on the server remains 
very low.  It can work with any MTA.

http://www.fsl.com/barricademx.html

Regards,

Ugo




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[WISPA] Private vs Public addresses for end-users

[Ugo Bellavance]

Hi,

I was wondering what were the considerations of giving out private 
addressing to end users.  Are public addresses worth the costs?

The project is to provide internet access to a maximum of 300 clients 
in 5 or 6 nearby buildings using SkyPilot equipment.

Regards,

UGo




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[WISPA] Authentication

[Ugo Bellavance]

Hi,

I was wondering about authentication.  The equipment is from SkyPilot 
and we were wondering what to use for authentication.  The end-user will 
be using a standard WiFi card (integrated, or USB) to access the 
wireless network.  We want the setup to be one-time (not a 
username/password prompt each time the user opens his browser).  This is 
the same project of max 300 clients in apartment buildings.  I was 
thinking about keeping all the accounts in a RADIUS server and use 
WPA-Radius.

Any input would be appreciated.




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Re: [WISPA] CSR live chat?

[Ugo Bellavance]

chris cooper wrote:
> Hi-
> 
>  
> 
> Is anybody using live chat as part of their customer support offering?
> If so, has it worked well?  What app has worked well?

I haven't but I've been using CSLH with success (crafty syntax live help).

Ugo




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[WISPA] Mail server setup

[Ugo Bellavance]

Hi,

I will probably have to design an e-mail (and other components) 
infrastructure for a small ISP soon (WISP).


I'm doing some research to determine which components would be best 
to offer e-mail services to their client and allow the staff to manage 
accounts easily.


I usually use virtual machines a lot for isolation and easy backups 
and migration (when a hardware node is underpowered, it is easy to 
migrate one or more virtual machines to another hardware node easily).


I have looked at iSCSI and drbd for high-availability of the 
storage: http://www.pcpro.co.uk/realworld/82284/san-on-the-cheap/page1.html.


This looks like it should be doing a great job of high availability storage.

For mail server, I guess I should look at an MTA and IMAP/POP 
server that supports LDAP and/or MySQL for users.  Postfix should be a 
good choice for MTA, as I know it (at least a little, but I know 
sendmail better).  For IMAP/POP, I'm not sure...  Would dovecot be 
sufficient, or should I try cyrus.  I'd rather use components that are 
available for base or extras repository (or rpmforge).  I think that 
squirrelmail and horde would do a good job for webmail.


There shoudn't be any troubles having some redundancy for DNS, web 
servers, mtas, but what about IMAP/POP? linux-HA?  MySQL replication 
should be enough, I guess.  Or maybe linux-HA as well.  I wonder if I 
should add GFS to the mix to have multiple IMAP/POP servers use the same 
storage.  Or maybe IMAP proxies?


Any insights welcome :) .

Ugo




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Re: [WISPA] Linux consultant

[Ugo Bellavance]

Jory Privett wrote:

I also use him.  His work is excellent and his prices are more than fair.


Have you found someone?




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