Cisco CSS as non-HTTPS SSL-traffic terminator

Hi!
Does anybody know is it real to use Cisco CSS as SSL-traffic terminator. I need to terminate non-HTTPS SSL-traffic on this device (i.e. SSL-encrypted sessions of any particular TCP-based application-layer protocol, not https)? If not, is there any CISCO device capable of doing such a job?
Regards, Amir

Hi!
Thank you very much for your reply.
I know about the S model - as per my post - but unfortunately I have realized after making the purchase.
Can you please help me with the following issue: my unit is not able to boot from FTP, even if I follow up the CISCO official documentation for that version (I issue all the commands as in the manual). More than that, if I setup the Primary Boot Configuration and then I want to check it up there is nothing in that field. The Secondary Boot Configuration keeps its settings and after the Primary failure it will try the Network Booting but with Failed status - returning me to the OffDM.
I mention that I am using the OffDM because the unit I bought has no Flash Card.
Also I am not sure how can I have a "network mounted filesystem" and in the meantime to use the FTP protocol; setting up a NFS server wont provide me with Windows style absolute path like k:/.... as per CISCO official guide. Is that a plain-ftp generically called as Network File System??? "First, create these subdirectories on the FTP server, then copy the files from the boot image to the subdirectories"
Is this linked with the fact that I am using a Linux box for my FTP Server? Can you please help me to understand what the following line from CISCO official guide means "A network boot is not supported on UNIX workstations"
Thank you!

Similar Messages

Cisco CSS "arpt-lct http-100-reinsert" command equivalent on the ACE ?

Hi
Quote from the CSS configuration guide:
[quote]
Reinserting an Arrowpoint Cookie in an HTTP Server Response
By default, the CSS always inserts an Arrowpoint (ARPT ) cookie in the first server response packet that begins with HTTP. More than likely during POST processing, the packet may contain a 100 Continue response instead of a 200 OK response. When the client receives the 100 Continue response with the inserted ARPT cookie, it may discard the response along with the cookie. Because the CSS does not reinsert the cookie when it receives a following 200 OK response, the client never uses the cookie and stickiness is broken.
To reinsert the Arrowpoint cookie in an HTTP server response if the previous packet contains a 100 Continue response, use the arpt-lct http-100-reinsertcommand. Use this command on a content rule configured with the advanced-balance arrowpoint-cookie command.
[/quote]
Is there an equivalent functionality on the ACE ?

Timo
I checked internally and I don't see any reference to the arpt-lct http-100-reinsert command and the ace. This probably indicates that no-one requiring this functionality has had issues on the ace. ie: either no-one has tried it or the ace works ok. I would suspect the former.
What is the scenario here ? Are you looking to migrate to ace and are on concerned or have you already migrated and its not working ?
Matthew

ACE: HTTP followed by HTTPs/SSL termination, stickiness

Dear Helpers,
I'm trying to figure out the best sticky/persistence method for the following for ACE,
Client X ----(HTTP)--------------------------------------------ACE LB ---to----Server 1
Client X -----(HTTPs)---ACE/SSL termination ------ACE LB ---to---- Server1
Both HTTP and HTTPs use the same VIP for HTTP and HTTPs)
The same client to stick/persist to the same server using both HTTP and HTTPs. HTTPs/SSL is terminated by ACE.
Could you point me to sample configurations for this requirement, please.
Thank you
SS

HI Gilles,
thanks for the response. Sorry had gotten distracted with a bunch of other things, didn't get a chance to get back to this. Anyway, so, I can generate the 302 response in my web-servers except I need to turn it around to a different domain name. Now assuming I use URL re-write when I see this coming back from the web-server, I can rewrite this to https and send to the client? A few questions about this and the links you sent above with using redirect service.
a) can I do a a redirect to an https address or does it only do http (considering I only saw examples configs only using www.domain.com/index.html type redirects without specifying the protocol to use)?
b) If not, then I use URL rewrite in conjunction with the 302 from the web-servers. But for my SSL off-load in a pair of CSS using VIP and Virtul Interface redundancy, do I buy 2xSSL Certs for the same domain-name or do I buy ONE (i.e. generate the key-pair/CSR in Master CSS) and import the same rsakey and SSL Cert recd. from CA into both CSSs?
c) Does the CSS handle a wildcard SSL Cert without problems?
Thanks again,
\R

Routing non-TCP/UDP traffic while using FWLB on CSS 11503s

Hello all,
I've been tasked to setup up FWLB with CSS 11503's as shown below. The issue is that intranet workstations use VPN client software when connecting to certain sites through the Internet and other times they use http or https (for connection to different sites). Because no flow is setup for ipsec and ECMP uses per packet routing for non TCP/UDP traffic, I'm concerned that load balancing through the firewalls will occur on a per packet basis. If that is true, stateful inspection in the firewalls will block asymmetrical traffic flows.
Is my understanding correct? And, if so, is there a way to configure the CSS units to deal with this?
Thanks in advance.
(sorry for the dots in the drawing but the spaces kept getting deleted)
.| Internet |
..........|
.| CSS-outside |
.............|
........|...............|
.| FW1 |.....| FW2 |
.......|................|
............|
.| CSS-inside |
............|
.| Intranet |

for non-flowy traffic like IPSEC, we use a hash algorithm to decide where to send the traffic.
So, it's not per packet loadbalancing.
The same source/destination ip/port will always go to the same firewall.
Gilles.

Cisco css http keepalive is not working with GET command

Dear all
i have Cisco Css connected to Dell Server (via switch)
Cisco CSS - 192.168.1.3 and Dell Server - 192.168.1.5
Dell server is setup with windows 2009R2 and Apache HTTPD is version 2.2
This server is dedicated to host multiple doamins with Apache lik
www.abc.co.uk
www.xyz.co.uk
Now the clinet wants to setup the http keepalive with specfic web page like /testpage.html for all these domains. i have teseed with single URI. it is working the comamnds are
config)# service serv1
(config-service[serv1])# ip address 192.168.1.5
(config-service[serv1])# keepalive type http
(config-service[serv1])# keepalive method head    ( get i have not used due to hash mismatch with apche server, if i use GET it is not working)
(config-service[serv1])# keepalive uri "/testpage.html"
(config-service[serv1])# active
It is working with single URI. but how can i do the same thing for multiple doamins ?
for multiple doamins do i need use script ? or can i use with commands ?
if i need to use script the script is
!no echo
! Filename: httptag-test
! Parameters: HostName WebPage HostTag
! Description:
!       This script will connect to the remote host and do an HTTP
!   GET method upon the web page that the user has asked for.
!   This script also adds a host tag to the GET request.
! Failure Upon:
!   1. Not establishing a connection with the host.
!       2. Not receiving an HTTP status "200 OK"
if ${ARGS}[#] "NEQ" "3"
        echo "Usage: httptag-test \'Hostname WebPage HostTag\'"
        exit script 1
endbranch
! Defines:
set HostName "${ARGS}[1]"
set WebPage "${ARGS}[2]"
set HostTag "${ARGS}[3]"
! Connect to the remote Host
set EXIT_MSG "Connection Failure"
socket connect host ${HostName} port 80 tcp
! Send the GET request for the web page
set EXIT_MSG "Send: Failed"
socket send ${SOCKET} "GET ${WebPage} HTTP/1.1\nHost: ${HostTag}\n\n"
! Send the HEAD request for the web page
set EXIT_MSG "Send: Failed"
socket send ${SOCKET} "HEAD ${WebPage} HTTP/1.1\nHost: ${HostTag}\n\n"
! Wait for a good status code
set EXIT_MSG "Waitfor: Failed"
socket waitfor ${SOCKET} "200 OK"
no set EXIT_MSG
socket disconnect ${SOCKET}sh w
exit script 0
in the script i have not used GET becasue, when CSS send GET request to apache it use hash, but apache is not able to respond with same hash and it shows that website is down. more information- click below url
http://www.cisco.com/en/US/docs/app_ntwk_services/data_center_app_services/css11500series/v7.40/command/reference/CmdKeepC.html#wp1139668
(config-keepalive) method
I have uploaded in CSS with httptag-test file and applied these commands
service comp.brit.co.uk-80
keepalive port 80
ip address 192.168.1.5
keepalive frequency 10
keepalive maxfailure 2
keepalive retryperiod 10
keepalive type script httptag-test "192.168.1.5 /testpage.html www.abc.co.uk
keepalive type script httptag-test "192.168.1.5 /testpage.html www.xyz.co.uk
but this script is not working
my question is:
1.do i need use script only to setup http keepalvie with webpage for multiple domains ?
2.with out using script is there any solution like CICSCO CSS commands to setup http uril for multiple domains which are on 1 singl server.
please help me asap

Hello Muhammad,
If you wish to use multiple domains for a URI keep-alive check, and perform a HEAD request what Daniel mentioned is correct. You have to use a scripted keep-alive check on the service. However, you should not use the default "ap-kal-httptag" script to do so as it's limited to only 1 website (unless you modify the script). You're best bet would be using the "ap-kal-httplist" script on the CSS as it allows the checking of 2 different websites along with a webpage to check for each site using HTTP HEAD method.
!no echo
! Filename: ap-kal-httplist
! Parameters: Site1 WebPage1 Site2 WebPage2 [...]
! Description:
!    This script will connect a list of sites/webpage pairs. The
!   user must simply supply the site, and then the webpage and
!   we'll attempt to do an HTTP HEAD on that page.
! Failure Upon:
!   1. Not establishing a connection with the host.
!   2. Not receiving a status code 200 on the HEAD request on any
!      one site. If one fails, the script fails.
! Make sure the user has a qualified number of arguments
if ${ARGS}[#] "LT" "2"
        echo "Usage: ap-kal-httplist \'WebSite1 WebPage1 WebSite2 WebPage2 ...'"
        exit script 1
endbranch
while ${ARGS}[#] "GT" "0"
        set Site "${ARGS}[1]"
    var-shift ARGS
    if ${ARGS}[#] "==" "0"
        set EXIT_MSG "Parameter mismatch: hostname present but webpage was not"
        exit script 1
    endbranch
    set Page "${ARGS}[1]"
    var-shift ARGS
    no set EXIT_MSG
    function HeadUrl call "${Site} ${Page}"
endbranch
exit script 0
function HeadUrl begin
! Connect to the remote Host
set EXIT_MSG "Connect: Failed to connect to ${ARGS}[1]"
socket connect host ${ARGS}[1] port 80 tcp 2000
! Send the head request
set EXIT_MSG "Send: Failed to send to ${ARGS}[1]"
socket send ${SOCKET} "HEAD ${ARGS}[2] HTTP/1.0\n\n"
! Wait for the status code 200 to be given to us
set EXIT_MSG "Waitfor: Failed to wait for '200' on ${ARGS}[1]"
socket waitfor ${SOCKET} " 200 " 2000
no set EXIT_MSG
socket disconnect ${SOCKET}
function HeadUrl end
Rather then modify the default "ap-kal-httplist" script on the CSS I would simply define the arguments within the service configuration itself.   Something like the following (using your service example):
service dell-192.168.1.5
ip address 192.168.1.5
keepalive type script ap-kal-httplist "www.abc.co.uk /testpage.html www.xyz.co.uk /testpage.html"
active
As long as the server is configured to reply to host headers, and the page is configured to retuen a "200 OK" the above service configuration should work. If there are any errors simply run "show service " to view why there was a failure. If there is a failure, and the output from the command specified shows a line number run the following command against the script to view at what point (line) did the failure occur:
show script ap-kal-httplist line-numbers
Hope this helps!
- Jason Espino

Redirecting Non-http traffic

Gilles,
we are running GSLB between two sites.
Is it possible to do redirect non-http traffic(Ex- SFTP service) when there is a failure of the services at one site.
Thanks in advance

Gilles,
Thanks for your response.
As far as the option 2- could you please tell whether the mentioned configuration will work or do i need to make changes.
Site A
service remote_site_vip
11.1.1.1
keepalive type icmp
active
content 1
vip address 10.1.1.1
port 8443
add service 1
add service 2
primarysorryserver remote_site_vip
active
****GROUP***
group redirect
vip address 10.1.1.1
add destination service remote_site_vip
active
Site B
service remote_site_vip
10.1.1.1
keepalive type icmp
active
content 1
vip address 11.1.1.1
port 8443
add service 1
add service 2
primarysorryserver remote_site_vip
active
****GROUP***
group redirect
vip address 11.1.1.1
add destination service remote_site_vip
active
Thanks in advance

Security on the Cisco CSS

I have a Cisco CSS 11501s attached to a Cisco 6000. I am using the CSS in an on arm design, which is basically a router on a stick. The Cisco 6000 only provides layer 2 switching. It utilizes 1 Ethernet interface on a single vlan.
I configure 3 VIPs for client connection.
- VIP 1 for SSL
- VIP 2 is for the clear text traffic from the
VIP1/proxy list.
- VIP 3 is for redirecting clear text traffic from
the client.
- All VIPs use the same address, but differing
ports.
I have a source group for all outbound traffic to the server farm. I tried to block traffic to the clear text interface, but I blocked all traffic. Is there an issue with one security of VIPs in a one-arm design?
Any design ideas?
Thank you

Hi,
If I understand correctly, you want to block the traffic destined to the VIP which is actually meant for the back-end traffic with the server once it is off the proxy-list. I understnad you use the VIP2 for this purpose as per your question and is same as the client side IP range.
Here is the solution just use a config what is known as "full-proxy" configuration by Cisco on the CSS. To do this you would need two different IP ranges. One would be for your client side (the one resolved by dns) and the other could be a different IP range preferably the non-routable private ip rnage like 192.168.x.x for the back-end server segment. You will now pick-up a VIP from server segment and assign it in the proxy-list with the 'cipher' specs.
In essence, this way you wouldn't be forced using the same VIP range for the servers and for the clients as well. You can have a private range on the back-end. This prevents traffic being targeted to your server segment from the client segment in the clear http in your case.
thanks

Load Balance TMG with Cisco CSS

I am working with a Customer that is using Cisco CSS to load balance Microsoft TMG 2010.
From the Microsoft TMG, I can see the https probes hitting the TMG Servers. The TMG 2010 recongnizes that the Cisco is trying to establish a 3-way handshake and is dropping every 3rd connection with the following error: "non-SYN packet was dropped because it was sent by a source that does not hane an established connection with the Forefron TMG computer." Since the Microsoft Forefront TMG 2010 Server is Stateful packet inspection firewall, what is the best load balance method for this service? TCP or even worst ICMP.
Below is a snipet of the configuration:
Thank You
Avery
CSS-A# show service Server1-ssl
Name: Server1-ssl Index: 70
Type: Local            State: Alive
Rule ( x.x.x.x TCP 443 )
Session Redundancy: Enabled
Redundancy Global Index: 206
Redirect Domain:
Redirect String:
Keepalive: (SSL-443   5   3   5 )
Keepalive Encryption:      Disabled
Last Clearing of Stats Counters: 03/05/2012 16:33:14
Mtu:                       1500        State Transitions:            4
Total Local Connections:   0           Total Backup Connections:     0
Current Local Connections: 0           Current Backup Connections:   0
Total Connections:         0           Max Connections:              65534
Total Reused Conns:        0           Weight Reporting:             None
Weight:                    1           Load:                         2
CSS-A#
CSS-A# show service Server2-ssl
Name: Server2-ssl Index: 71
Type: Local            State: Alive
Rule ( x.x.x.x TCP 443 )
Session Redundancy: Enabled
Redundancy Global Index: 207
Redirect Domain:
Redirect String:
Keepalive: (SSL-443   5   3   5 )
Keepalive Encryption:      Disabled
Last Clearing of Stats Counters: 03/05/2012 16:53:49
Mtu:                       1500        State Transitions:            6
Total Local Connections:   0           Total Backup Connections:     0
Current Local Connections: 0           Current Backup Connections:   0
Total Connections:         0           Max Connections:              65534
Total Reused Conns:        0           Weight Reporting:             None
Weight:                    1           Load:                         2

Hi,
It would good to have a capture from the server itself, the TCP keepalive is really simple, as you explained, it is just a 3-way-handshake on port 443.
The CSS is going to use it's vlan IP to generate this keepalive.
So if the server is dropping the connection, it would be good to se the actual behavior of the keepalive.
ICMP is just a ping, and lets say port 443 is not longer open on the server, at the point that the CSS gets the ICMP reply back from the server, the service is going to remain as alive, but the traffic is not going to work, so ICMP is not a good option.
Thanks!

ACE Best Sticky Method for SSL Traffic

Hi, With ACE 4710 running serverfarms primarily running SSL traffic, what is the best method for configuring stickiness. Here are some parameters:
1) low volume sites, 2 real servers
2) ACE _will not_ do SSL offloading
3) Balancing HTTPS requests
4) Many versions of HTTP clients
5) Currently running ACE A1 code
I am thinking of:
1) TCP Header | HostID inspection
2) SSL-session ID (not good if re-key often though)
3) Any suggestions?
many thx,
WR

Hi Will,
You can see a comple configured example for your perusal in this regard for
Configure ACE Module for End to End SSL Termination
http://www.cisco.com/en/US/products/hw/modules/ps2706/products_configuration_example09186a00809c6f37.shtml
And Many more here regarding
Data Center Application Services Configuration Examples:
http://docwiki.cisco.com/wiki/Category:Data_Center_Application_Services_Configuration_Examples
Hope these configuration examples will be useful to you.
Sachin Garg

URL filtering ACE after description of SSL traffic

We currently have a Cisco CSS11501 which we have configured with SSL offloading.
We offload the SSL traffic and after description of the ssl traffic we perform URL filtering.
Can the Ace 4710 Appliance do the same?
I have attached the current configuration of the css.
Regards,
Richard

With the below config
Traffic matching 10.10.10.10:443 will be SSL offloaded and then
will be loadbalanced using rservers in Serverfarm "APP1-SFARM" if
the request includes "/matchthis".
ssl-proxy service APP1-SSL-PROXY
key default-key.pem
cert default-cert.pem
class-map match-all APP1-443-VIP
2 match virtual-address 10.10.10.10 tcp eq https
class-map type http loadbalance match-any APP1-URLMAP
2 match http url /matchthis.*
policy-map type loadbalance first-match APP1-Policy
class APP1-URLMAP
serverfarm APP1-SFARM
policy-map multi-match VIPS-VLAN79
class APP1-443-VIP
loadbalance vip inservice
loadbalance vip icmp-reply active
loadbalance policy APP1-Policy
ssl-proxy server APP1-SSL-PROXY
HTH
Syed iftekhar Ahmed

Cisco CSS 11501 - High-Availabilty

We have a single CSS 11501 and were thinking about just buying a new one and putting it online as the standby with statefull (hopefully) failover, but weren't sure that this would work.
Does anyone know what is needed to create a high-availability Cisco CSS 11501 environment?
Do you only need 2 CSS 11501 and then configure them with one being active and the other being in a standby mode, like a PIX?
Is there a HA Cable that would need to be connected between the 2 CSS's?
Thanks in Advanced.
Joe

Daniel,
There is a new stateful failover mechanism for the Cisco CSS 11500.
This description is a bit "salesy" I know, but it covers the question asked :-)
The Cisco CSS 11500 delivers ASRthe industry's first stateful Layer 5 session redundancy feature that enables failover of important flows while maximizing performance. Some flowssuch as a long-lived File Transfer Protocol (FTP) or a database session may be mission critical, but many are not. Most solutions on the market today require all trafficimportant or notto be backed up from one box to another. If the majority of flows are not critical, then most of system performance is wasted on unnecessary back
ups. With ASR, the Cisco CSS 11500 may be configured so critical flows are marked as replication worthy, whereas others do not need to be so marked. ASR focuses traffic management resources precisely where needed.
Better yet, have a look at the following link focusing on the section on Stateless Redundancy.
http://www.cisco.com/univercd/cc/td/doc/product/webscale/css/css_510/advcfggd/redndncy.htm
Regards
Pete..

Wiki CSS files over HTTPS use only RC4

I finally found the answer to my problem of why the wiki CSS files wouldn't load.
It turns out that the wiki forces an HTTPS connection and it retrieves the CSS files from https://d11xdyzr0div58.cloudfront.net. The encryption used for those CSS files uses 128-bit RC4 with MD5. In Firefox, the about:config parameter name is
security.ssl3.rsa_rc4_128_md5
I had turned off all RC4-based encryption for SSL3 in about:config because RC4 is old and not appropriate for secure use in the modern day. Since SSL works by the server offering to the client all of the encryption algorithms it's willing to use, and then the client selects the ones it likes, my assumption was that if the encryption parameters for a connection include RC4 Firefox would just not ever pick one of the RC4 options. However, I had no idea that there would be a website that ONLY offered RC4. My guess is that this is the case for the wiki's CSS file server, because only by turning on the about:config parameter mentioned above can I get the CSS files to load.
Is there a way to address this issue? Preferably, either the CSS file server needs to support alternative algorithms (it looks like a cloud host, is that under our control at all?), or the wiki needs a way to be viewed in non-HTTPS mode. I don't care about the security of the wiki CSS files, I care about having RC4 turned on in Firefox -- I shouldn't have to enable it.
I considered filing a feature request, but I wanted feedback first.

A couple of years ago, I wrote an extension for Firefox called CipherFox (see my sig below). One of its features is disabling RC4 in about:config. I've had RC4 disabled all this time, and the Arch Wiki is the first time I've ran into trouble with it being disabled.
I too don't care much about the CSS files being encrypted. Here's what I did a couple of months ago as a crappy, hacked-up workaround:
(1) A Greasemonkey script to change link and script href's to point to http instead of https:
// ==UserScript==
// @name Archwiki Cloudfront SSL
// @description Removes SSL from Cloudfront href's
// @version 1.0.0
// @author MkFly
// @include http://wiki.archlinux.org/*
// @include https://wiki.archlinux.org/*
// ==/UserScript==
var head = document.getElementsByTagName('head')[0];
var link = head.getElementsByTagName('link');
var script = head.getElementsByTagName('script');
var cloudfront = "d11xdyzr0div58.cloudfront.net";
for (var i in link) {
link[i].href = link[i].href.replace("https://" + cloudfront, "http://" + cloudfront);
for (var i in script) {
script[i].src = script[i].src.replace("https://" + cloudfront, "http://" + cloudfront);
(2) With that installed, loading the Wiki pages was still delayed while it tried to connect via SSL and waited to time out. I worked around that by blocking them with Adblock Plus:
|https://d11xdyzr0div58.cloudfront.net/*
I know this is a hacky way to do it, but it works for now. Hopefully Cloudfront will let us use something better than RC4 in the future.
Last edited by MkFly (2011-01-26 05:29:22)

Cisco CSS ICS via DWDM

We are currently splitting up a campus installation (2 datacenters with < 300m cable distance).
One datacenter remains on the campus, the other one is moved to another part of the town, approx. 30km away.
The two datacenters are interconnected using DWDM (don't have the exact specs at the moment, but I think we have got the equivalent of 16 duplexed 4Gb/s conenctions between the two data centers)
So far we have been able to move most of the equipment (including several members of Oracle RAC clusters on Linux and OpenVMS, VPN server farms, ESX cluster members and similar services), but we do not seem to bei able to get the Cisco CSS ICS link up on the DWDM.
Is there anything we can ask the DWDM provider to check, or is there no chance to get the ICS link up over DWDM?

Hi Martin,
I guess you are referring to ISC port, right?
As per CSS documentation: You must connect the ISC ports directly to the two CSSs. You cannot use Layer 2 devices on the ISC links between the two CSSs. Also, the ISC links must be dedicated to passing only ISC traffic.
For that reason I believe you need to reconsider your plan.
http://www.cisco.com/en/US/docs/app_ntwk_services/data_center_app_services/css11500series/v8.20_v8.10/configuration/redundancy/guide/ASR.html#wp1038263
Best regards,
Ahmad

Cisco CSS 11500 and RDP

Dear NetPros:
Does anyone know that does Cisco CSS 11500 Series Content Services Switch support 'Session Caching of RDP Clients? session for roaming of disconnected sessions' features?
Thanks
Bernard

The Cisco CSS 11500 is a compact modular platform, specifically designed to provide robust Layer 4-7 traffic management services for e-business applications in Internet and intranet data centers.
This URl should help you:
http://www.cisco.com/en/US/netsol/ns340/ns394/ns50/ns254/networking_solutions_package.html

Non http GSLB with failover pairs in each DC

Hi guys,
I'm fairly confident that it's possible to use GSLB between two datacenters for non http traffic. My question is, can you do this while having redundant CSS in each datacenter?
Thanks

Just to make sure I understand...
You can either configure box-to-box redundancy or VIP redundancy within the datacenter (locally) -- not both. Between the datacenters you use GSLB.
YOu mentioned that the easiest solution on the local level would be box-to-box, but could you use vip redundancy locally if you still wanted local services to be redundant within each datacenter? Basically, can you mix it so that you have some services redundant across datacenters, but other services redundant within datacenters?
Thanks again,

Cisco CSS as non-HTTPS SSL-traffic terminator

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