As per the attached file.
I would like to use iptables to redirect a service to a web portal for registration/authorisation. The IP addresses will be used to authorise access to the service. The addresses will be on a file. Details as follows:
User tries to access the service on port 53, if authorised (ie if on the attached file in lets say /usr/local/etc/[url removed, login to view]) they are granted unconditional access, if not redirected to a portal eg 126.96.36.199 port 80 (188.8.131.52:80). Everything else happens there including updating the attached file so you dont have to worry about how that happens.
- file will be comma delimited in the following format : username,ipv4 address eg markj,[url removed, login to view] (see attached sample file)
- all requests to a specific port (53) will be 'matched / against the file lets call it a whitelist or iplist. the file shall be dynamically changed without having to restart iptables.
- all 'matching' requests will be allowed access to the service. and once established should stay connected.
- all unmatched requests will be forwarded to a portal.
- iptables should not have to be started with each addition/deletion (use iplist) or equivalent
-- on the portal they can register and set up their IP address to be included (not in scope for this job), the portal is configured to automatically update the 'whitelist'.
-- The customer request is then re-forwarded to through the same whitelist before granting access. this should be added 'on the fly' as customers register. we have another process to manage the listing/delisting.
Please get back to me with a clear detailed plan of action, how long this will take and how much it will cost.
Service will run on Ubuntu server 12.x
18 freelance ont fait une offre moyenne de 353 $ pour ce travail
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