tor-commits September 2011

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865 discussions

[tor/master] Merge branch 'bug3327_squashed'
by nickm＠torproject.org 07 Sep '11

07 Sep '11

commit 1ed1bf7f07350bce0eb4a73f29e1d8a2d7ffdbc8 Merge: 41eef66 3e3480d Author: Nick Mathewson <nickm(a)torproject.org> Date: Wed Sep 7 15:03:54 2011 -0400 Merge branch 'bug3327_squashed' changes/bug3327 | 14 ++++++++++++ src/or/directory.c | 53 +++++++++++++++++++++++--------------------- src/or/main.c | 6 +---- src/or/router.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++++-- src/or/router.h | 3 +- 5 files changed, 103 insertions(+), 34 deletions(-)

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[tor/master] fix a const warning
by nickm＠torproject.org 07 Sep '11

07 Sep '11

commit 5c53a0f867cd3628e37ccffa30b3a534a8f0c74a Author: Nick Mathewson <nickm(a)torproject.org> Date: Wed Sep 7 15:06:01 2011 -0400 fix a const warning --- src/or/router.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/src/or/router.c b/src/or/router.c index 07a6599..ba6648b 100644 --- a/src/or/router.c +++ b/src/or/router.c @@ -1639,7 +1639,7 @@ void mark_my_descriptor_dirty_if_too_old(time_t now) { networkstatus_t *ns; - routerstatus_t *rs; + const routerstatus_t *rs; const char *retry_fast_reason = NULL; /* Set if we should retry frequently */ const time_t slow_cutoff = now - FORCE_REGENERATE_DESCRIPTOR_INTERVAL; const time_t fast_cutoff = now - FAST_RETRY_DESCRIPTOR_INTERVAL;

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[tor/master] Upload descriptors more often when recent desc is unlisted
by nickm＠torproject.org 07 Sep '11

07 Sep '11

commit 1f4b6944c06fce5befc3b8a21d252ba946632f63 Author: Nick Mathewson <nickm(a)torproject.org> Date: Wed Jun 22 12:27:27 2011 -0400 Upload descriptors more often when recent desc is unlisted Right now we only force a new descriptor upload every 18 hours. This can make servers become unlisted if they upload a descriptor at time T which the authorities reject as being "too similar" to one they uploaded before. Nothing will actually make the server upload a new descriptor later on, until another 18 hours have passed. This patch changes the upload behavior so that the 18 hour interval applies only when we're listed in a live consensus with a descriptor published within the last 18 hours. Otherwise--if we're not listed in the live consensus, or if we're listed with a publication time over 18 hours in the past--we upload a new descriptor every 90 minutes. This is an attempted bugfix for #3327. If we merge it, it should obsolete #535. --- changes/bug3327 | 8 ++++++++ src/or/main.c | 6 +----- src/or/router.c | 44 +++++++++++++++++++++++++++++++++++++++++--- src/or/router.h | 2 +- 4 files changed, 51 insertions(+), 9 deletions(-) diff --git a/changes/bug3327 b/changes/bug3327 new file mode 100644 index 0000000..32a8b9c --- /dev/null +++ b/changes/bug3327 @@ -0,0 +1,8 @@ + o Major features: + - Relays now try regenerating and uploading their descriptor more + frequently if they are not listed in the consensus, or if the + version of their descriptor listed in the consensus is too + old. This fix should prevent situations where a server declines + to re-publish itself because it has done so too recently, even + though the authorities decided not to list its recent-enough + descriptor. Fix for bug 3327. diff --git a/src/or/main.c b/src/or/main.c index 2cdbe71..af769c4 100644 --- a/src/or/main.c +++ b/src/or/main.c @@ -1326,11 +1326,7 @@ run_scheduled_events(time_t now) time_to_check_ipaddress = now + CHECK_IPADDRESS_INTERVAL; check_descriptor_ipaddress_changed(now); } -/** If our router descriptor ever goes this long without being regenerated - * because something changed, we force an immediate regenerate-and-upload. */ -#define FORCE_REGENERATE_DESCRIPTOR_INTERVAL (18*60*60) - mark_my_descriptor_dirty_if_older_than( - now - FORCE_REGENERATE_DESCRIPTOR_INTERVAL); + mark_my_descriptor_dirty_if_too_old(now); consider_publishable_server(0); /* also, check religiously for reachability, if it's within the first * 20 minutes of our uptime. */ diff --git a/src/or/router.c b/src/or/router.c index 531d3fb..ccaa139 100644 --- a/src/or/router.c +++ b/src/or/router.c @@ -1610,12 +1610,50 @@ router_rebuild_descriptor(int force) return 0; } -/** Mark descriptor out of date if it's older than <b>when</b> */ +/** If our router descriptor ever goes this long without being regenerated + * because something changed, we force an immediate regenerate-and-upload. */ +#define FORCE_REGENERATE_DESCRIPTOR_INTERVAL (18*60*60) + +/** If our router descriptor seems to be missing or unacceptable according + * to the authorities, regenerate and reupload it _this_ often. */ +#define FAST_RETRY_DESCRIPTOR_INTERVAL (90*60) + +/** Mark descriptor out of date if it's been "too long" since we last tried + * to upload one. */ void -mark_my_descriptor_dirty_if_older_than(time_t when) +mark_my_descriptor_dirty_if_too_old(time_t now) { - if (desc_clean_since < when) + networkstatus_t *ns; + routerstatus_t *rs; + const char *retry_fast_reason = NULL; /* Set if we should retry frequently */ + const time_t slow_cutoff = now - FORCE_REGENERATE_DESCRIPTOR_INTERVAL; + const time_t fast_cutoff = now - FAST_RETRY_DESCRIPTOR_INTERVAL; + + /* If it's already dirty, don't mark it. */ + if (! desc_clean_since) + return; + + /* If it's older than FORCE_REGENERATE_DESCRIPTOR_INTERVAL, it's always + * time to rebuild it. */ + if (desc_clean_since < slow_cutoff) { mark_my_descriptor_dirty("time for new descriptor"); + return; + } + /* Now we see whether we want to be retrying frequently or no. The + * rule here is that we'll retry frequently if we aren't listed in the + * live consensus we have, or if the publication time of the + * descriptor listed for us in the consensus is very old. */ + ns = networkstatus_get_live_consensus(now); + if (ns) { + rs = networkstatus_vote_find_entry(ns, server_identitykey_digest); + if (rs == NULL) + retry_fast_reason = "not listed in consensus"; + else if (rs->published_on < slow_cutoff) + retry_fast_reason = "version listed in consensus is quite old"; + } + + if (retry_fast_reason && desc_clean_since < fast_cutoff) + mark_my_descriptor_dirty(retry_fast_reason); } /** Call when the current descriptor is out of date. */ diff --git a/src/or/router.h b/src/or/router.h index f6d3c12..af202e6 100644 --- a/src/or/router.h +++ b/src/or/router.h @@ -62,7 +62,7 @@ void consider_publishable_server(int force); int should_refuse_unknown_exits(const or_options_t *options); void router_upload_dir_desc_to_dirservers(int force); -void mark_my_descriptor_dirty_if_older_than(time_t when); +void mark_my_descriptor_dirty_if_too_old(time_t now); void mark_my_descriptor_dirty(const char *reason); void check_descriptor_bandwidth_changed(time_t now); void check_descriptor_ipaddress_changed(time_t now);

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[tor/master] Merge remote-tracking branch 'public/bug2649_squashed' into maint-0.2.2
by nickm＠torproject.org 07 Sep '11

07 Sep '11

commit dfa6cde4d4de57476ea8381199dfbac1afc245d5 Merge: 5f9cdee f45261c Author: Nick Mathewson <nickm(a)torproject.org> Date: Wed Sep 7 14:43:06 2011 -0400 Merge remote-tracking branch 'public/bug2649_squashed' into maint-0.2.2 changes/bug2649a | 5 +++++ changes/bug2649b | 5 +++++ doc/tor.1.txt | 7 ++++++- src/or/config.c | 3 ++- src/or/dirserv.c | 16 +++++++++++----- src/or/dirvote.h | 2 +- src/or/networkstatus.c | 2 +- src/or/or.h | 3 +++ 8 files changed, 34 insertions(+), 9 deletions(-)

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[tor/master] Increase default required uptime for HSDirs to 25 hours
by nickm＠torproject.org 07 Sep '11

07 Sep '11

commit f45261cb29504bfe39ddb96d8e7f38bb32dd37a5 Author: Robert Ransom <rransom.8774(a)gmail.com> Date: Tue May 10 03:35:45 2011 -0700 Increase default required uptime for HSDirs to 25 hours --- changes/bug2649b | 5 +++++ doc/tor.1.txt | 2 +- src/or/config.c | 2 +- 3 files changed, 7 insertions(+), 2 deletions(-) diff --git a/changes/bug2649b b/changes/bug2649b new file mode 100644 index 0000000..1ff14e5 --- /dev/null +++ b/changes/bug2649b @@ -0,0 +1,5 @@ + o Minor bugfixes: + - Change the default required uptime for a relay to be accepted as + a HSDir from 24 hours to 25 hours. Bugfix on 0.2.0.10-alpha; + fixes bug 2649. + diff --git a/doc/tor.1.txt b/doc/tor.1.txt index 9c81198..f54b966 100644 --- a/doc/tor.1.txt +++ b/doc/tor.1.txt @@ -1183,7 +1183,7 @@ if DirPort is non-zero): **MinUptimeHidServDirectoryV2** __N__ **seconds**|**minutes**|**hours**|**days**|**weeks**:: Minimum uptime of a v2 hidden service directory to be accepted as such by - authoritative directories. (Default: 24 hours) + authoritative directories. (Default: 25 hours) **DirPort** __PORT__|**auto**:: If this option is nonzero, advertise the directory service on this port. diff --git a/src/or/config.c b/src/or/config.c index 96696fe..f247740 100644 --- a/src/or/config.c +++ b/src/or/config.c @@ -401,7 +401,7 @@ static config_var_t _option_vars[] = { VAR("__HashedControlSessionPassword", LINELIST, HashedControlSessionPassword, NULL), VAR("__OwningControllerProcess",STRING,OwningControllerProcess, NULL), - V(MinUptimeHidServDirectoryV2, INTERVAL, "24 hours"), + V(MinUptimeHidServDirectoryV2, INTERVAL, "25 hours"), V(VoteOnHidServDirectoriesV2, BOOL, "1"), V(_UsingTestNetworkDefaults, BOOL, "0"),

1 0

[tor/master] Merge remote-tracking branch 'origin/maint-0.2.2'
by nickm＠torproject.org 07 Sep '11

07 Sep '11

commit 41eef6680e814f453cc8eedff415e941429aa627 Merge: c6ea014 dfa6cde Author: Nick Mathewson <nickm(a)torproject.org> Date: Wed Sep 7 14:51:55 2011 -0400 Merge remote-tracking branch 'origin/maint-0.2.2' Conflicts: src/or/dirserv.c src/or/networkstatus.c Conflicts were related to routerinfo->node shift. changes/bug2649a | 5 +++++ changes/bug2649b | 5 +++++ doc/tor.1.txt | 7 ++++++- src/or/config.c | 3 ++- src/or/dirserv.c | 17 ++++++++++++----- src/or/dirvote.h | 2 +- src/or/networkstatus.c | 2 +- src/or/or.h | 3 +++ 8 files changed, 35 insertions(+), 9 deletions(-) diff --cc src/or/dirserv.c index 0ea1ef6,6607901..d22a053 --- a/src/or/dirserv.c +++ b/src/or/dirserv.c @@@ -2297,11 -2260,9 +2297,11 @@@ get_possible_sybil_list(const smartlist */ void set_routerstatus_from_routerinfo(routerstatus_t *rs, - routerinfo_t *ri, time_t now, + node_t *node, + routerinfo_t *ri, + time_t now, int naming, int listbadexits, - int listbaddirs) + int listbaddirs, int vote_on_hsdirs) { int unstable_version = !tor_version_as_new_as(ri->platform,"0.1.1.16-rc-cvs"); @@@ -2340,10 -2303,10 +2340,11 @@@ } else { rs->is_possible_guard = 0; } - rs->is_bad_directory = listbaddirs && ri->is_bad_directory; - rs->is_bad_exit = listbadexits && ri->is_bad_exit; - ri->is_hs_dir = dirserv_thinks_router_is_hs_dir(ri, now); - rs->is_hs_dir = vote_on_hsdirs && ri->is_hs_dir; ++ + rs->is_bad_directory = listbaddirs && node->is_bad_directory; + rs->is_bad_exit = listbadexits && node->is_bad_exit; + node->is_hs_dir = dirserv_thinks_router_is_hs_dir(ri, node, now); - rs->is_hs_dir = node->is_hs_dir; ++ rs->is_hs_dir = vote_on_hsdirs && node->is_hs_dir; rs->is_v2_dir = ri->dir_port != 0; if (!strcasecmp(ri->nickname, UNNAMED_ROUTER_NICKNAME)) @@@ -2628,8 -2601,9 +2630,9 @@@ dirserv_generate_networkstatus_vote_obj vrs = tor_malloc_zero(sizeof(vote_routerstatus_t)); rs = &vrs->status; - set_routerstatus_from_routerinfo(rs, ri, now, + set_routerstatus_from_routerinfo(rs, node, ri, now, - naming, listbadexits, listbaddirs); + naming, listbadexits, listbaddirs, + vote_on_hsdirs); if (digestmap_get(omit_as_sybil, ri->cache_info.identity_digest)) clear_status_flags_on_sybil(rs); @@@ -2868,13 -2849,10 +2874,14 @@@ generate_v2_networkstatus_opinion(void if (ri->cache_info.published_on >= cutoff) { routerstatus_t rs; char *version = version_from_platform(ri->platform); - - set_routerstatus_from_routerinfo(&rs, ri, now, + node_t *node = node_get_mutable_by_id(ri->cache_info.identity_digest); + if (!node) { + tor_free(version); + continue; + } + set_routerstatus_from_routerinfo(&rs, node, ri, now, - naming, listbadexits, listbaddirs); + naming, listbadexits, listbaddirs, + vote_on_hsdirs); if (digestmap_get(omit_as_sybil, ri->cache_info.identity_digest)) clear_status_flags_on_sybil(&rs); diff --cc src/or/dirvote.h index b6746c6,de11fcf..d196351 --- a/src/or/dirvote.h +++ b/src/or/dirvote.h @@@ -60,10 -60,9 +60,10 @@@ const char *dirvote_get_pending_detache #define DGV_INCLUDE_PREVIOUS 4 const cached_dir_t *dirvote_get_vote(const char *fp, int flags); void set_routerstatus_from_routerinfo(routerstatus_t *rs, + node_t *node, routerinfo_t *ri, time_t now, int naming, int listbadexits, - int listbaddirs); + int listbaddirs, int vote_on_hsdirs); void router_clear_status_flags(routerinfo_t *ri); networkstatus_t * dirserv_generate_networkstatus_vote_obj(crypto_pk_env_t *private_key, diff --cc src/or/networkstatus.c index 398f041,b0ef74b..7cd9d02 --- a/src/or/networkstatus.c +++ b/src/or/networkstatus.c @@@ -2133,7 -2105,7 +2133,7 @@@ networkstatus_getinfo_by_purpose(const if (bridge_auth && ri->purpose == ROUTER_PURPOSE_BRIDGE) dirserv_set_router_is_running(ri, now); /* then generate and write out status lines for each of them */ - set_routerstatus_from_routerinfo(&rs, node, ri, now, 0, 0, 0); - set_routerstatus_from_routerinfo(&rs, ri, now, 0, 0, 0, 0); ++ set_routerstatus_from_routerinfo(&rs, node, ri, now, 0, 0, 0, 0); smartlist_add(statuses, networkstatus_getinfo_helper_single(&rs)); });

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[tor/master] Add a VoteOnHidServDirectoriesV2 configuration option
by nickm＠torproject.org 07 Sep '11

07 Sep '11

commit 1546054d81fcc3462c37aca8a35a510d7f770533 Author: Robert Ransom <rransom.8774(a)gmail.com> Date: Tue May 10 02:06:07 2011 -0700 Add a VoteOnHidServDirectoriesV2 configuration option --- changes/bug2649a | 5 +++++ doc/tor.1.txt | 5 +++++ src/or/config.c | 1 + src/or/dirserv.c | 16 +++++++++++----- src/or/dirvote.h | 2 +- src/or/networkstatus.c | 2 +- src/or/or.h | 3 +++ 7 files changed, 27 insertions(+), 7 deletions(-) diff --git a/changes/bug2649a b/changes/bug2649a new file mode 100644 index 0000000..4ee31eb --- /dev/null +++ b/changes/bug2649a @@ -0,0 +1,5 @@ + o Minor features: + - Add a VoteOnHidServDirectoriesV2 configuration option to allow + directory authorities to abstain from voting on assignment of + the HSDir consensus flag. Related to bug 2649. + diff --git a/doc/tor.1.txt b/doc/tor.1.txt index 8aa32e8..9c81198 100644 --- a/doc/tor.1.txt +++ b/doc/tor.1.txt @@ -1335,6 +1335,11 @@ DIRECTORY AUTHORITY SERVER OPTIONS that fine-grained information about nodes can be discarded when it hasn't changed for a given amount of time. (Default: 24 hours) +**VoteOnHidServDirectoriesV2** **0**|**1**:: + When this option is set in addition to **AuthoritativeDirectory**, Tor + votes on whether to accept relays as hidden service directories. + (Default: 1) + HIDDEN SERVICE OPTIONS ---------------------- diff --git a/src/or/config.c b/src/or/config.c index 44cecf3..96696fe 100644 --- a/src/or/config.c +++ b/src/or/config.c @@ -402,6 +402,7 @@ static config_var_t _option_vars[] = { NULL), VAR("__OwningControllerProcess",STRING,OwningControllerProcess, NULL), V(MinUptimeHidServDirectoryV2, INTERVAL, "24 hours"), + V(VoteOnHidServDirectoriesV2, BOOL, "1"), V(_UsingTestNetworkDefaults, BOOL, "0"), { NULL, CONFIG_TYPE_OBSOLETE, 0, NULL } diff --git a/src/or/dirserv.c b/src/or/dirserv.c index d114d86..4da0c4f 100644 --- a/src/or/dirserv.c +++ b/src/or/dirserv.c @@ -2262,7 +2262,7 @@ void set_routerstatus_from_routerinfo(routerstatus_t *rs, routerinfo_t *ri, time_t now, int naming, int listbadexits, - int listbaddirs) + int listbaddirs, int vote_on_hsdirs) { int unstable_version = !tor_version_as_new_as(ri->platform,"0.1.1.16-rc-cvs"); @@ -2306,7 +2306,7 @@ set_routerstatus_from_routerinfo(routerstatus_t *rs, rs->is_bad_directory = listbaddirs && ri->is_bad_directory; rs->is_bad_exit = listbadexits && ri->is_bad_exit; ri->is_hs_dir = dirserv_thinks_router_is_hs_dir(ri, now); - rs->is_hs_dir = ri->is_hs_dir; + rs->is_hs_dir = vote_on_hsdirs && ri->is_hs_dir; rs->is_v2_dir = ri->dir_port != 0; if (!strcasecmp(ri->nickname, UNNAMED_ROUTER_NICKNAME)) @@ -2538,6 +2538,7 @@ dirserv_generate_networkstatus_vote_obj(crypto_pk_env_t *private_key, int naming = options->NamingAuthoritativeDir; int listbadexits = options->AuthDirListBadExits; int listbaddirs = options->AuthDirListBadDirs; + int vote_on_hsdirs = options->VoteOnHidServDirectoriesV2; routerlist_t *rl = router_get_routerlist(); time_t now = time(NULL); time_t cutoff = now - ROUTER_MAX_AGE_TO_PUBLISH; @@ -2601,7 +2602,8 @@ dirserv_generate_networkstatus_vote_obj(crypto_pk_env_t *private_key, vrs = tor_malloc_zero(sizeof(vote_routerstatus_t)); rs = &vrs->status; set_routerstatus_from_routerinfo(rs, ri, now, - naming, listbadexits, listbaddirs); + naming, listbadexits, listbaddirs, + vote_on_hsdirs); if (digestmap_get(omit_as_sybil, ri->cache_info.identity_digest)) clear_status_flags_on_sybil(rs); @@ -2678,7 +2680,7 @@ dirserv_generate_networkstatus_vote_obj(crypto_pk_env_t *private_key, v3_out->server_versions = server_versions; v3_out->known_flags = smartlist_create(); smartlist_split_string(v3_out->known_flags, - "Authority Exit Fast Guard HSDir Stable V2Dir Valid", + "Authority Exit Fast Guard Stable V2Dir Valid", 0, SPLIT_SKIP_SPACE|SPLIT_IGNORE_BLANK, 0); if (vote_on_reachability) smartlist_add(v3_out->known_flags, tor_strdup("Running")); @@ -2690,6 +2692,8 @@ dirserv_generate_networkstatus_vote_obj(crypto_pk_env_t *private_key, smartlist_add(v3_out->known_flags, tor_strdup("Named")); smartlist_add(v3_out->known_flags, tor_strdup("Unnamed")); } + if (vote_on_hsdirs) + smartlist_add(v3_out->known_flags, tor_strdup("HSDir")); smartlist_sort_strings(v3_out->known_flags); if (options->ConsensusParams) { @@ -2754,6 +2758,7 @@ generate_v2_networkstatus_opinion(void) int versioning = options->VersioningAuthoritativeDir; int listbaddirs = options->AuthDirListBadDirs; int listbadexits = options->AuthDirListBadExits; + int vote_on_hsdirs = options->VoteOnHidServDirectoriesV2; const char *contact; char *version_lines = NULL; smartlist_t *routers = NULL; @@ -2846,7 +2851,8 @@ generate_v2_networkstatus_opinion(void) char *version = version_from_platform(ri->platform); set_routerstatus_from_routerinfo(&rs, ri, now, - naming, listbadexits, listbaddirs); + naming, listbadexits, listbaddirs, + vote_on_hsdirs); if (digestmap_get(omit_as_sybil, ri->cache_info.identity_digest)) clear_status_flags_on_sybil(&rs); diff --git a/src/or/dirvote.h b/src/or/dirvote.h index 67540a3..de11fcf 100644 --- a/src/or/dirvote.h +++ b/src/or/dirvote.h @@ -62,7 +62,7 @@ const cached_dir_t *dirvote_get_vote(const char *fp, int flags); void set_routerstatus_from_routerinfo(routerstatus_t *rs, routerinfo_t *ri, time_t now, int naming, int listbadexits, - int listbaddirs); + int listbaddirs, int vote_on_hsdirs); void router_clear_status_flags(routerinfo_t *ri); networkstatus_t * dirserv_generate_networkstatus_vote_obj(crypto_pk_env_t *private_key, diff --git a/src/or/networkstatus.c b/src/or/networkstatus.c index 1aa4e4a..b0ef74b 100644 --- a/src/or/networkstatus.c +++ b/src/or/networkstatus.c @@ -2105,7 +2105,7 @@ networkstatus_getinfo_by_purpose(const char *purpose_string, time_t now) if (bridge_auth && ri->purpose == ROUTER_PURPOSE_BRIDGE) dirserv_set_router_is_running(ri, now); /* then generate and write out status lines for each of them */ - set_routerstatus_from_routerinfo(&rs, ri, now, 0, 0, 0); + set_routerstatus_from_routerinfo(&rs, ri, now, 0, 0, 0, 0); smartlist_add(statuses, networkstatus_getinfo_helper_single(&rs)); }); diff --git a/src/or/or.h b/src/or/or.h index 456dce2..70308e0 100644 --- a/src/or/or.h +++ b/src/or/or.h @@ -2517,8 +2517,11 @@ typedef struct { * we don't need to? */ int HidServDirectoryV2; /**< Do we participate in the HS DHT? */ + int VoteOnHidServDirectoriesV2; /**< As a directory authority, vote on + * assignment of the HSDir flag? */ int MinUptimeHidServDirectoryV2; /**< As directory authority, accept hidden * service directories after what time? */ + int FetchUselessDescriptors; /**< Do we fetch non-running descriptors too? */ int AllDirActionsPrivate; /**< Should every directory action be sent * through a Tor circuit? */

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[tor/maint-0.2.2] Increase default required uptime for HSDirs to 25 hours
by nickm＠torproject.org 07 Sep '11

07 Sep '11

1 0

[tor/maint-0.2.2] Merge remote-tracking branch 'public/bug2649_squashed' into maint-0.2.2
by nickm＠torproject.org 07 Sep '11

07 Sep '11

1 0

[tor/maint-0.2.2] Add a VoteOnHidServDirectoriesV2 configuration option
by nickm＠torproject.org 07 Sep '11

07 Sep '11

1 0

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tor-commits September 2011