Re: SA Internet security issues
Nishal Goburdhan <[email protected]> Wed, 5 Jul 2017 10:06:06 +0200
| Newsgroups | gmane.org.operators.ioz |
|---|---|
| Message-ID | <[email protected]> |
> On 04 Jul 2017, at 12:19, Daniel Schroder <[email protected]> wrote: > > Just want to point out the obvious, DNSEC helps finding sources of DNS > spoofing, um….no. a DNSSEC signed reponse will be something that can be validated to determine accuracy of the answer received. that’s not the same as finding the source of what/whom is doing spoofing. > which is often used by high tier ISPs to redirect traffic, or > on compromised hardware. citation needed please. > It's useful to have a DNS server that chases > DNS queries, and have some form of trusting the reply, if you do your > online banking, from a [1]co.za second level domain, you can't do the > query via dnsec, so your only other option is using other open dns > servers, not quite; you can also use your ISP’s DNS servers, or, run your own. > however it's easy to spoof or hijack queries from there as well. yes, considerably easier, than if you used your ISP, whom you, presumably trust. > Also I have a feeling Ipv6 is also going to become a problem. > Especially in terms of routing, the primaries for za do not all route > locally, that’s a broad statement, with little evidence. from a pretty well connnected, dual-stacked host in JNB, i see: nishal@jnb:~$ dig +nssearch za | awk -F ' ' '{print $11, $12, $13, $14}' 194.146.106.78 in 0 ms. 204.61.216.55 in 1 ms. 2001:67c:1010:19::53 in 1 ms. 2001:500:14:6055:ad::1 in 1 ms. 196.4.160.27 in 3 ms. 2001:4200:ffff:a::1 in 17 ms. 196.21.79.50 in 17 ms. 2001:500:2e::1 in 170 ms. 192.5.4.1 in 179 ms. for good measure, i also pasted in the results from a host in CPT below [2]. all of this tells me that 1 host isn’t dual stacked (naughty 3741 !), and one host is likely hosted out of ZA. i don’t see any of the IPv6 problems you allude to. since there is no requirement to have all secondaries inside your country, and i recognise three of those hosts as anycast, i’ll ask again - what IPv6 problem are you seeing, and are you sure it’s not just from your perspective? —n. [2] nishal@cpt:~$ dig +nssearch za | awk -F ' ' '{print $11, $12, $13, $14}' 196.21.79.50 in 0 ms. 204.61.216.55 in 7 ms. 2001:500:14:6055:ad::1 in 7 ms. 194.146.106.78 in 16 ms. 2001:67c:1010:19::53 in 16 ms. 196.4.160.27 in 17 ms. 2001:4200:ffff:a::1 in 32 ms. 2001:500:2e::1 in 156 ms. 192.5.4.1 in 282 ms. _______________________________________________ IOZ mailing list [email protected] http://lists.internet.org.za/mailman/listinfo/ioz