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mavam / dns-txt-lookup.bro
Created November 2, 2012 22:50
DNS TXT lookup in Bro using the function lookup_hostname_txt
event x509_certificate(c: connection, is_orig: bool, cert: X509, chain_idx: count, chain_len: count, der_cert: string)
{
local domain = "%s.notary.icsi.berkeley.edu";
when ( local str = lookup_hostname_txt(fmt(domain, sha1_hash(der_cert))) )
{
print str;
}
}